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Reducing Barriers to COVID-19 Vaccination Uptake: Community Ideas From Urban And Rural Kenya

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22 August 2023

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24 August 2023

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Abstract
Ever since the tremendous success of the rapid vaccine development against COVID‑19, its availa-bility, distribution, and deployment have been a significant concern; however, evidence suggests that vaccine hesitancy has become a greater problem. Therefore, trust in vaccines is crucial and critically dependent on regimes' ability to communicate the benefits of immunization. This study investigated ideas on ways to reduce barriers to COVID-19 vaccination uptake. It explores methods to overcome COVID-19 vaccine barriers through qualitative research: interviews and group discussions involving healthcare providers, administration personnel, teachers, and individuals with chronic conditions across urban (Mombasa) and rural (Kilifi) Kenya. Audio-recorded discussions were transcribed and thematically analyzed across locations. Five themes emerged in our results regarding how to reduce barriers to the COVID vaccine in the context of Kenya, including awareness campaigns, engaging diverse stakeholders, using various communication techniques, capacity building to increase vac-cination centers and trained staff, and lastly, revising relevant government health policies and guidelines. These results indicate the importance of adopting multiple approaches, as no single strategy could boost vaccine acceptance. Moreover, this study provides recommendations for con-ceiving actionable interventions to potentially boost vaccine demand and maintain routine immun-ization in Kenya.
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Subject: Public Health and Healthcare  -   Health Policy and Services

1. Introduction

Up until the first half of 2022, The coronavirus disease 2019 (COVID-19) pandemic has infected more than 9 million people and caused more than 200,000 confirmed deaths in the continent of Africa alone, of which more than 337,000 confirmed cases and more than 5600 confirmed deaths occurred in Kenya; we assume that those numbers are an underestimate, taking into consideration the low testing capability in Kenya [1]. One of the best methods to minimize adverse health outcomes from infection is the COVID-19 vaccine. Nonetheless, challenges to the equitable distribution and deployment of the vaccines introduce a considerable barrier to revving the ending of the pandemic.
Currently, 70.5% of the world population has received at least one dose of a COVID-19 vaccine. 13.49 billion doses have been administered globally, and 39,473 million are administered daily. However, only 32.5% of people in low-income countries have received at least one dose; in Kenya, precisely (as of August 2023), only 26.83% of the population have received at least one dose of the COVID-19 vaccine, of which only 17.60% were fully vaccinated according to the initial protocol in Kenya [2]. The enormous inequality in healthcare resources, particularly during a pandemic, undoubtedly worsens the already increasing mistrust in healthcare systems, experts, and the government, which could promote vaccine hesitancy among the LMICs population [3]. Vaccine inequity remains an onerous problem globally, predominantly in LMICs. Given the limited supply, vaccine hesitancy becomes a crucial issue to mitigate if we want to provide optimal uptake in low-resource and fragile settings [4].
The WHO has defined vaccine hesitancy as a “delay in acceptance or rejection of safe vaccines despite the availability of vaccine services” [5]. COVID-19 vaccine hesitancy is a various-factor event coaxed by a scope of factors. It comprises socio-demographic, psychological, cognitive, political, and cultural aspects and deviates among various populations [6]. Multiple studies have demonstrated that public concern about the safety and side effects of COVID-19 vaccines, the COVID-19 vaccines' widespread misinformation, and mistrust in governments are the factors donating to the growing hesitancy toward COVID-19 vaccines [7]. However, overpowering vaccine hesitancy is tricky, and therefore, no single intervention can be resolved entirely, particularly regarding COVID-19, where the scientific evidence for compelling strategies to tackle it is presently delimited [8]. Therefore, a framework to better understand the five psychological prototypes of vaccination called the 5C model was designed, and it incorporates: confidence, complacency, convenience, risk calculations, and collective responsibility. This framework, developed primarily in high-income countries, harnesses the possibility to comprehend more reasonable and arise with strategies to manage vaccine hesitancy, but might miss elements that could be relevant to LMICs [4]. Significant information voids about vaccine hesitancy remain, particularly in Africa, due to delimited means, specifically those that have been validated in local or regional settings [9,10].
Kenya is a low–middle-income country located in sub-Saharan Africa (SSA). Its population exceeds 50 million, with 75% living in rural areas and nearly 46% living below the poverty line. Governmental, private, and faith-based centers are the main segments of the Kenyan healthcare system. About half of the healthcare is delivered in the public system in government-run establishments. In contrast, the other half is conveyed by private facilities, of which nearly 20% are faith-based organizations [11]. The direct supplier of vaccines in Kenya is the Ministry of Health. Initial guidelines, approaches, and policies associated with vaccine distribution were established according to the WHO Strategic Advisory Group of Experts (SAGE) Roadmap, entitling healthcare workers at a more lavish risk of infection and front-line workers to access the vaccine first [12].
During the Munich Security Conference On 15 February 2020, the Director of the World Health Organization (WHO), Dr. Tedros Adhanom Ghebreyesus, articulated that the fight against the COVID-19 pandemic was accompanied by combat against an “infodemic,” leading to a sequence of initiatives by the WHO and other organizations to face this challenge. This concern is not new: others have transpired during other health emergencies, but never one of the current magnitudes resulting from the risen use of digital platforms and Apps. In the era of digital interdependence, this phenomenon is amplified by increased access to mobile devices, internet access, and social networks, which are circulating it like a virus, further and faster than ever before [13]. The WHO defines an infodemic as "An infodemic is an acute outpouring of information, including potentially misleading or inaccurate information that, in a digital, hyper-connected society such as the present one, is likely bound to accompany every epidemic or acute health crisis." [14]. The abundance of information, which includes misinformation, disinformation, and rumors, may lead to a direct impact on health (increased morbidity and mortality), misunderstanding of health information & behaviors, mistrust in government, science, experts, and public health authorities in response and interventions (vaccine, therapeutics) and stigma. These outcomes may seriously endanger the effectiveness of the response and public health measures and leave a high margin of the population vulnerable and exposed.
To steer needed communications and engagement approaches to subsidize the rollout of COVID-19 vaccines, it is crucial to comprehend better public attitudes in the community, which is often multi-factorial and highly context-specific. This manuscript emanates from a broader study that aimed to investigate public knowledge and perceptions of adult vaccination programmers, focusing on COVID-19 vaccine acceptance among adults and adolescents in rural and urban Kenya. In this particular manuscript, we focus on the ideas shared on reducing barriers to COVID-19 vaccination uptake.

2. Materials and Methods

Study scope and design

This qualitative study investigated public knowledge and perceptions of vaccination programs, specifically COVID-19 vaccine acceptance among adults and adolescents in Mombasa and Kilifi, Kenya. In-depth interviews (IDIs) and focus group discussions (FGDs) were conducted in Mombasa Old Town (Urban setting) and Rabai, Kilifi (rural setting) from March 29 to April 01, 2022.

Study population, sample, and recruitment

This study conducted 18 IDIs and 6 FGDs (n=46) in Mombasa and Kilifi Counties, with 9 IDIs and 3 FGDs at each site. The participants included health care providers (HCPs), administration personnel, teachers, and people living with chronic conditions (PLWCD) for IDIs. FGDs consisted of community members in three distinct age groups: 15-19 years, 20-49 years, and over 50 years. A purposive selection process was used, resulting in 24 data collection sessions. In Mombasa, interviews included 2 HCPs, 2 administration personnel, 2 teachers, 2 PLWCDs, and 1 homeless person. In Rabai, interviews involved 3 HCPs, 2 administration personnel, 2 teachers, and 2 PLWCDs.
The research and ethics approving body, National Commission for Science, Technology and Innovations, sent letters to the County level offices informing them about the study. Health facility In-Charges were contacted by the study’s fieldwork team and informed beforehand. Recruitment of participants was conducted purposefully by approaching potential participants and obtaining their consent based on inclusion criteria: aged 15 years and above, residing in either Mombasa Old Town or Kaloleni-Rabai, and willing and able to provide assent/consent. Those who agreed were invited to a suitable venue for the IDIs/FGDs. All participants provided consent prior to the interviews. Some participants scheduled for FGDs were replaced if they were unavailable on the designated day.

Fieldwork team and data collection

Data collection and management followed the study protocol and fieldwork guidelines provided during research team training. Three experienced female research assistants (RAs) with health or social sciences diplomas were competitively recruited. They received a two-day training on the study background, research ethics, data collection methods (IDIs and FGDs), study tools, and consent procedures. After the training, the supervisor and RAs collected data in Mombasa and Rabai from March 29 to April 01, 2022.
The RAs used interview guides to conduct IDIs and FGDs. The data analyzed for this manuscript emanates from two main questions: 1) How do we improve access to COVID-19 vaccination? 2) What are the potential solutions to overcome the barriers to COVID-19 vaccination uptake? The interviews were conducted in-person at private venues in health facilities. IDI and FGD sessions were recorded and documented with participant consent. Consent and assent forms were provided in English and Swahili, and participants signed two copies. One copy was given to the participant, while the study team retained the second copy.

Ethical considerations

This study was guided by a protocol which was approved by the Aga Khan University Institutional Ethics Review Committee, the National Commission for Science Technology and Innovations, Mombasa County, and Kilifi County. All respondents above the age of 18 years provided written consent, and all adolescents below 18 years gave assent, and signed consent was required from their guardians. The study team maintained the confidentiality of all materials and information and ensured no identifying information on individual participants was included in any analysis or study reports.

Data analysis

Following fieldwork, transcription, and translation of all IDI and FGD recorded data, all transcripts were analyzed with the use of NVivo 12 software. Led by two coders, the study used both deductive and inductive analysis. Coders became familiar with transcript data and used the study tools to generate initial codes. As the coding progressed, they added additional ideas emanating from the data – thus expanding the code book as necessary. Consequently, identified codes were arranged by site (Kilifi or Rabai) and into thematic categories. Lastly, investigators selected vivid quotes in support of described themes.

Demographic characteristics of study participants

This study engaged health care providers (HCPs), local administration personnel, teachers, and people living with chronic conditions. Five HCP roles were represented: clinician, nurse, oral health officer, laboratory technician, and public health officer. Their years of service ranged from 2-8 years. All HCPs were vaccinated, and one has reported having a chronic health condition. There were four local administrative personnel whose roles included senior chief, assistant chief, and two village elders. Their years of serving in the current role ranged from 2 -10 years. All administrators were vaccinated, with two reporting chronic health conditions. Two of the four teachers interviewed were Madrasa religious teachers, one secondary school teacher, and one nursery school teacher. Their years in the role ranged from 4- 27 years. Only one teacher was vaccinated, and one other had a chronic health condition. In the chronic health condition category, the five respondents had conditions that included diabetes mellitus, hypertension, goiter, ulcers, and sickle cell. Two were vaccinated, and one of them was homeless.
The group of 15-19-year-old adolescents had an average age of 16.5 years. All were students; ten were female, and nine were male respondents. Thirteen were in secondary school, while six were in primary school. Only five had been vaccinated, while three had chronic conditions. The 20-49 years group had an average age of 35.5 years. Fifteen were female, while five respondents were male. The majority (eleven) were married, seven were single, and one was divorced. There were eleven self-employed, eight unemployed, and one employed. Half were vaccinated, while only three had chronic health conditions. The 50+ year’s group had an age range from 50-72 years, with an average age of 57.7 years. Nine were female, while eight were male respondents. On marital status, thirteen were married, two were widowed, one was divorced, and one was separated. Only six were vaccinated, and six respondents had chronic health conditions.

3. Results

Study findings reveal five main themes that captured participants’ ideas on possible ways to reduce barriers to COVID-19 vaccination. They include (Table 1): 1) Increase education and awareness on of COVID-19; 2) Engage diverse stakeholders; 3) Use diverse materials and methods in the communication and implementation of vaccination programs; 4) Increase vaccination facilities and staff capacity to deliver quality services; 5) Revision of relevant government policies and guidelines.

3.1. Increased COVID-19 education and awareness

The ideas shared under this theme were discussed in rural and urban areas. Firstly, participants believed that inadequate knowledge about the pandemic and COVID-19 vaccines hindered vaccination efforts. They suggested that by educating people about COVID-19, vaccination rates would increase. Health education and promotion efforts, similar to other routine programs, were considered necessary at health facilities and within the broader community as clients visited for various services.
We would want when we go for clinics they educate us then. Just as they educate us about diet and how to take medication... (Mombasa, PWCD, IDI 5)
The only thing that can change this is education… They should be informed that the government cannot bring something that is harmful to their people. (Rabai, PWCD, IDI 1)
Secondly, Participants recommended mobilization and outreach to educate and raise awareness about COVID-19, as well as deliver vaccination services closer to communities. This would be particularly beneficial for those residing in far-flung areas and the economically disadvantaged who struggle to access healthcare facilities regularly. Bringing vaccines closer to these communities would increase the convenience and likelihood of vaccination. Outreaches in institutions and neighborhoods have proven effective in past vaccination programs.
We have done outreach, and people come from facilities like Aga Khan, Jeffrey’s, and State House. They are going around with cooler boxes, and people are being vaccinated. People who are not able to go to the facilities found in their respective areas are given the vaccines with proper documentation in place. (Mombasa, Local administrator, IDI 3)
Vaccination should be conducted similarly to those of children, whereby the healthcare workers visit people in their homes. (Rabai, FGD 50+>)
A third idea under this theme was to disseminate information to address rumors in the communities. Participants recommended dedicated efforts to address fears and misconceptions about COVID-19. The government should find ways to reduce vaccine hesitancy. Increasing understanding of the pandemic, vaccination locations, and benefits would likely lead to higher vaccination rates.
Using real-life examples… show people the benefits of vaccination. Information should be clearly given that though they will get vaccinated, they might still get infected with the virus, but the advantage is that it will not be severe. (Mombasa, Local administrator, IDI 6)
People should be exposed to the right information. If they don’t have the right information, they will only have the rumours to believe in. (Rabai, PWCD, IDI 4)

3.2. Engagement of diverse stakeholders

Participants at both sites recognized the value of influencers and role models in promoting COVID-19 vaccination. CHVs, Chiefs, village elders, and media influencers were viewed as effective in expanding the reach of health messaging. Well-educated influencers could persuade community members to get vaccinated by imparting knowledge about the pandemic, vaccines, and related services.
Using CHVs, CHWs, chiefs, community elders, and FM stations to educate people. In FM stations, people can also be given an open forum to discuss specific issues. (Mombasa, Local administrator, IDI 3)
We should educate the keynote people in the community: Chiefs, men, and women in the chamas so that they can educate the rest of the people. (Rabai, HCP, IDI 5)
Rabai participants stressed the importance of teamwork and stakeholder collaboration to reach and educate all communities (urban and rural) about COVID-19 and address misconceptions. Religious leaders were encouraged to equally share available COVID-19 information, which had already been initiated. By working together as a united front, the broader community would benefit. Additionally, relying solely on Assistant Chiefs was inadequate for deep rural areas. Collaborating with various stakeholders, such as organizing education forums, was seen as a promising approach to achieve positive outcomes.

3.3. Useful materials and methods in communication and implementation of COVID-19 vaccination programs

At both sites, four ideas were proposed to reduce barriers. Testimonies from the vaccinated were seen as encouraging to those unsure of vaccination. Sharing vaccination experiences could inspire others to get vaccinated, especially within their own communities. Vaccinated individuals would serve as ambassadors, challenging negative perceptions and motivating others to receive the vaccine.
There should also be testimonies of the people who have been vaccinated and are experiencing the benefits of the vaccination. (Mombasa, Teacher, IDI 7)
We have people who are already vaccinated.... We can use them as testimonies so that people can see that some of the information they have are just rumours. (Rabai, HCP, IDI 5)
Secondly, participants suggested targeted health messaging for effective sensitization on COVID-19. For example, Community Health Valunteers CHVs could engage specific audiences like Boda Boda (motocycle) riders, adolescents, women, chamas, and community influencers in group discussions. This approach would provide an excellent opportunity to educate them about the pandemic and vaccines.
For the youth, there are different spots you can get them. I play football, and after the game, we normally talk. That can also be an opportunity to pass out that information regarding vaccines … There is another large population of bodaboda riders. They have their meeting points too. They can be educated in those groups. (Mombasa, HCP, IDI 4)
Changing someone’s behavior takes time, so we can still continue doing it, especially focused sensitization meetings targeting particular groups. (Rabai, HCP, IDI 7)
Moreover, in Mombasa, targeted parents could be sent COVID-19 messages through school-going lower primary children. In Kilifi, encouraging the old to take alcohol breaks in order to get vaccinated suggested this was another unique group to be targeted with COVID-19 education and sensitization.
I usually tell them that they can sacrifice the alcohol even for just three days so as to enable them to get the vaccine. (Rabai, Teacher, IDI 8)
Third, a door-to-door approach was deemed fruitful. Prior to home visits, the community could be informed about the presence of health workers in the villages. Village elders and CHVs would communicate that health workers would be moving from door to door to sensitize people about vaccination. The health workers would provide accurate information to counteract circulating false information. They would also emphasize the importance of receiving the COVID-19 vaccine.
The fourth idea focused on using incentives to motivate COVID-19 vaccination. One option was offering vaccines that required fewer visits/doses. Providing food and additional health assessments alongside COVID-19 vaccinations would make the visit valuable for the impoverished and unwell community members. These additional assessments would also ensure vaccinations were administered with awareness of any pre-existing conditions.
If it’s a single dose and you incentivize it, you are sure that a person will get that vaccine once. (Mombasa, HCP, IDI 1)
IF doctors and CHVs give food to distribute to the community members during their visits. This will make them more interested in the agenda and therefore increase the uptake of the vaccine. (Rabai, FGD 20-49>)
The government should seek to provide healthcare services for people suffering from other diseases. They fear that getting the vaccine would make their health condition even worse. (Rabai, FGD 15-19>)
Additional ideas from Mombasa included diversifying methods and mediums for sharing COVID-19 information and vaccination programs. Participants recommended utilizing various mainstream media, social media platforms, video messaging, and written materials. The government was encouraged to adapt COVID-19 messages for Facebook, TikTok, Instagram, and WhatsApp to reach those who had not been vaccinated yet. Bringing people together for educational purposes, such as showcasing videos of individuals thriving after vaccination, could create a favorable environment for future voluntary health gatherings.
Mombasa participants suggested targeting places frequented by adolescents to raise awareness among the younger population about the pandemic and available vaccines. They also recommended utilizing collective forums such as schools, mabaraza (heterogenous community gatherings), and political rallies during campaign seasons to disseminate health messages on COVID-19.
In Rabai, an additional idea was to focus on promoting positive stories about vaccination and avoiding negative reports. This approach aimed to encourage the utilization of vaccination services.

3.4. Increase vaccination facilities and health worker capacity

Three ideas were reported under this theme at both sites. Firstly, participants recommended increasing the number of vaccination centers to make the services more accessible geographically. This could be achieved by utilizing existing health facilities and establishing temporary vaccination centers. Community Health Volunteers (CHVs) would play a crucial role in disseminating information about the expanded vaccination center availability to reach all community members and encourage more people to get vaccinated. Secondly, recruiting and employing additional health workers was seen as a means to enhance COVID-19 vaccination and improve uptake. Having a dedicated staff for the vaccination program would increase efficiency and reduce client waiting time.
If there are a few personnel giving out the vaccine, the coverage will be a little tricky for them. The more personnel there are, the easier it will be to carry out the vaccination process….we can also increase vaccination centers. (Mombasa, HCP, IDI 4)
The services can also be improved to have specific staff dealing with vaccines. Sometimes the staff issuing the vaccines are usually assigned somewhere else, and when clients come, they have to wait to receive the service. (Rabai, HCP, IDI 6)
Thirdly, participants recommended increased funding for health promotion, community sensitization, and vaccine provision activities. Adequate funds were necessary to ensure effective logistics for awareness and sensitization efforts. Better funding would also help overcome logistical challenges in educating communities about COVID-19. Once messaging teams could reach the communities, vaccine refusal rates were expected to decrease. Moreover, reliable funding and careful attention to supplies and transportation would contribute to a smooth vaccination process by ensuring an adequate stock of materials. Proper transportation, such as well-designed vehicles, would be essential for the timely delivery of vaccines. Addressing the timely availability of quality consumables would ensure clients receive the required services and high-quality vaccines, avoiding those close to expiration.
The vaccine should also be enough. It would not be good if we sensitize people to go for the vaccine only for them to go and find they are not available. (Rabai, Teacher, IDI 8)
In this facility, we get our doses from Kilifi. Sometimes they may say the vaccines are not enough and we need to share….. There was a time it was not that the vaccines were not there, but the ones that were there had expired. If the community members learn that the expiry date of the vaccines is near, they also don’t come for vaccines. There should be a proper calculation of the estimated number of vaccines a community can consume to prevent the wastage of vaccines that could have helped another community. (Rabai, HCP, IDI 5)
Two additional ideas from Mombasa addressed the timing and delivery of vaccinations at the facilities. Some individuals were unable to reach the facilities in time before they closed. Participants suggested implementing flexible vaccination schedules to accommodate diverse groups, including youths and adults facing role conflicts. Furthermore, healthcare providers were reminded to conduct thorough examinations before administering vaccines. This would involve conducting a series of medical tests to assess any underlying medical conditions prior to vaccination.
Rabai participants had additional ideas under this theme. They believed that providing additional training for all staff involved in the vaccination program would build trust and reduce barriers to COVID-19 vaccination. This training would ensure proper handling and safe transportation of vaccines, as well as the administration of vaccinations. Users' positive experiences would be shared within their communities, fostering trust in the vaccination process. Aggressively targeted follow-up of the unvaccinated and improving healthcare providers attitudes were also seen as effective strategies to increase vaccine uptake. Negative experiences, such as encounters with rude or corrupt staff, could discourage the utilization of vaccination services, even if other efforts were well-implemented. Therefore, it was crucial to ensure clients received quality service when visiting vaccination centers.
Doctors should be polite. Someone may be discouraged to visit a vaccination centre even if it's nearer if they find out that the health care workers there are rude. (Rabai, FGD 20-49)
It is difficult because they [HCPs] are the ones who are supposed to guide us... However, I think the healthcare workers should be human. Some of them were even selling the vaccines. (Rabai, Teacher, IDI 8)

3.5. Government health policy and guidelines

The fifth theme captures thoughts on how the government can help reduce barriers to COVID-19 vaccination by making policy and guidelines. Some participants from Rabai thought a government policy that would make vaccination mandatory was going to increase utilization.
The government should make COVID vaccination mandatory. If it is voluntary, most people will never go for the vaccination. Certain restrictions should also be put in place so as to improve on the uptake. (Rabai, FGD, 15-19 years)
Nonetheless, participants from Mombasa thought COVID-19 vaccination should remain voluntary. They proposed a focus on educating people about the pandemic and sensitizing them on available vaccinations. This was then likely to result in increased vaccine uptake.
It should not be mandatory... People should be informed about it first. (Mombasa, IDI 6)
To remove the fear of the vaccine, uptake should not be made mandatory. It should be voluntary. When we go to hospitals, we should not be forced nor persuaded to take the vaccine. (Mombasa, IDI 5)

4. Discussion

Our results from rural and urban areas of Kenya indicated several methods to tackle vaccine hesitancy and boost vaccine uptake, the first being to level up awareness campaigns by delivering high-quality information on COVID-19 and its vaccines. This was also shown in the literature, where a recent study conducted in Kenya showed that tailored messages should be needed to attain those with different concerns and different levels of education [15]; furthermore, accurate and transparent information from trusted sources is essential to increase vaccine rollout [15], which was also the case in Ethiopia where a study showed that health education and communication from governmental authorities are very crucial methods to alleviate the negative attitude of the COVID-19 vaccine [16]. Another study from Pakistan indicated that the main reason for the low rate of vaccine acceptance was the lack of knowledge, understanding, and perception of the risk and safety of the COVID-19 vaccine; hence strategies to raise awareness of the benefits of vaccination should mainly target individuals in the lower socioeconomic groups [17].
We believe that if awareness campaigns have addressed people's questions and concerns effectively, the majority of information gaps regarding the COVID-19 vaccine shall be filled. Consequently, there shall be fewer misconceptions and rumors to debunk. Nonetheless, due to the digital, hyper-connected society such as the present one, misinformation is likely bound to accompany every health crisis [18]. Our respondents have also described the problem of infodemics as one of the main barriers towards vaccination and wished for more information transparency and efforts to debunk rumors around the COVID-19 vaccine. Evidence from the literature shows that debunking misinformation has a limited role and is insufficient once rumors have circulated [19,20]. However, other studies have indicated that using debunking in media campaigns on top of vaccine information and social norm modeling could be an adequate technique to tackle misinformation [21], especially when engaging the community and using vaccine champions. This strong community engagement is a useful approach to managing vaccine hesitancy alongside communication campaigns and evidence-based interpersonal communication [22]. Our respondents have similarly indicated the importance of community engagement, the use of influencers and role models, and encouraging stakeholders to work together, which is also supported by the literature as a study in thirteen African countries have emphasized the importance for African countries to address the challenges facing RCCE risk communication and community engagement to contain the pandemic effectively and to prepare for future public health emergencies [23].
As understood from the debunking method mentioned above, no single strategy could fit all to boost vaccine acceptance. Therefore, our respondents have indicated that using various techniques and testing what works and is suitable for our specific community is key to reducing barriers to vaccination uptake in Kenya. Moreover, evidence from the literature also supports those claims as a review of published reviews on vaccine hesitancy has concluded that it is crucial to understand the specific concerns of the various groups of vaccine-hesitant individuals because a compelling "one size fits all" intervention is unlikely ever to exist [24]. One of the prominent solutions that our respondent suggests for the context of Kenya is sensitization, whether for groups of the community during gatherings, baraza gatherings, political campaigns, or even individually, via a door-to-door approach. A baraza is a traditional community assembly that is common in East African culture and has been used as a novel methodology in community-based participatory health research [25,26]. Studies from the literature also favored the sensitization method, as a study conducted in Cameroon during COVID-19 yielded that good communication will always brave the likelihood of hesitancy and favor mass population vaccination to thwart hesitancy [27]. Another study in northern Nigeria stated that incorporating door-to-door visits with media campaigns may increase childhood immunization uptake [28]. Another debatable strategy our informants mentioned to go in combination with the other measures to boost vaccine acceptance is through the use of financial incentives. The financial incentive method was highly criticized in the literature as several studies yielded that small financial incentives do not meaningfully improve COVID-19 vaccination rates among vaccine-hesitant [29,30]. However, other studies indicate that financial incentives increased vaccination rates among adults when combined with other measures and multicomponent and dialogue-based interventions [31,32], which our informants also suggested. Our interviewees believe that to prepare for the next pandemic or during health emergencies; the government must efficiently communicate timely, accurate health information on social media platforms and video messaging; studies from the literature also emphasize that governments and health authorities should consider providing health information and use films on social media as an affordable yet compelling and effective tool for boosting willingness to vaccinate against COVID-19 among populations most reluctant to get them [33,34].
Capacity building in terms of increasing vaccination centers and trained staff has played a considerable role in our results. A study conducted on the continent of Africa has emphasized the role of capacity building as it is essential if we hope to enhance and sustain public demand for vaccination and maintain the remarkable accomplishments of vaccination programs on the continent. Increasing the number of vaccine centers also means addressing the problem of inequities and reaching out to the most vulnerable and out-of-reach populations [35]; those marginalized populations can't leave their job to get vaccinated, and even if they did, they reach the closest vaccine center, when it is already closed. Results from another study on the influenza vaccine have indicated the essential role of increasing the number of training for the vaccine staff as this had shown to level up the influenza vaccine uptake [36].
The last theme in our results, which was supported by interviewees from rural areas but refused by interviewees from urban areas, is making vaccination mandatory. Some results from the literature are in favor of compulsory vaccination, like the one conducted in Europe, which justified their conclusion by taking the measles example, which was associated with lower measles incidence for countries with mandatory vaccination without nonmedical exemptions [37]. Another study also favored the mandatory vaccination of HCWs in the case of influenza, which was introduced in the United States a decade ago with outstanding outcomes [38]. However, a different study concluded that herd immunity could be reached without a policy of compulsory vaccination, none the less the same study stated that mandatory policy might be found admissible, too, were it to become critical [39]. Some interesting results were also from other research with only health workers in mind; this particular study has yielded that if voluntary vaccine uptake has failed to achieve the desired rates, mandatory policies should be considered; this should be applicable only if benefits outweigh harm for HCWs, patients' welfare is enhanced, and fair rules and exemptions are defined [40].

Strengths and limitations of the study

The strength of this qualitative study resides in its methodological rigor, characterized by the utilization of complementary multi-qualitative methods, specifically Focus Group Discussions (FGDs) and In-Depth Interviews (IDIs), to capture a diverse range of perspectives among both adult and adolescent participants. Moreover, the study encompassed two distinct settings, namely Mombasa Old Town, representing an urban environment, and Rabai, Kilifi, representing a rural context. This deliberate inclusion of participants from different settings enhances the study's validity and enriches the understanding of the research phenomenon under investigation.
Despite the mentioned strengths, the study has as well encountered some limitations. First, the findings may lack generalizability due to the specific contexts of Kenya and the sample size involved. Caution should be exercised when applying the results to populations of different settings. Second, although our researcher has conducted the necessary advanced trainings and experiences, the potential for researcher subjectivity and bias may have influenced the data collection, analysis, and interpretation processes. Acknowledging these limitations is crucial for a comprehensive understanding of the study's findings and to inform future research efforts.

5. Conclusions

In this study, we engaged diverse Kenyan stakeholders in exploring ideas that could potentially be applied to reduce barriers to COVID-19 vaccination uptake. Awareness campaigns should prioritize filling potential information gaps with high-quality information before rumors emerge rather than relying on the debunking method after rumors evolve into narratives. Engaging diverse stakeholders and strong community engagement via influencers and vaccine champions on top of the debunking method is key to restoring routine immunization. Additionally, employing various communication techniques in combination with the previously mentioned strategies and testing what works and is suitable for our specific community, e.g., sensitization, incentives, and video messaging on social media, should significantly increase vaccine uptake. Furthermore, increasing vaccination centers and trained staff is highly valuable in addressing the problem of inequities and hence increasing vaccine uptake. In the event of voluntary vaccine uptake failing to attain the desired rates, careful consideration should be given to the revision of pertinent government health policies and guidelines, with the potential incorporation of mandatory policies. However, such a course of action should only be pursued if a comprehensive assessment indicates that the benefits of implementing mandatory vaccination outweigh any associated drawbacks or potential harm.

Author Contributions

The following report shows specific author contributions, Conceptualization, VN, SL, EI, and KB; methodology, VN, SL, and EI; validation, VN, SL, EI, and KB; formal analysis, VN, A.A.A.-A., and JM; writing original draft preparation, VN and A.A.A.-A.; writing—review and editing, all authors.; project administration, SL, EI, and KB; funding acquisition, SL. All authors have read and agreed to the published version of the manuscript.

Funding

This research was funded by European and Developing Countries Clinical Trials Partnerships (EDCTP, COREP study), grant number RIA2020EF-3026.

Institutional Review Board Statement

The study was conducted in accordance with the Declaration of Helsinki, and approved by the Institutional Review Board (or Ethics Committee) of Aga Khan University Institutional Scientific and Ethics Review Committee, Nairobi (REF 2021/IERC-148 v2, February 8, 2022) for studies involving humans.

Informed Consent Statement

Informed consent was obtained from all participants involved in the study.

Data Availability Statement

Data from this study cannot be shared publicly due to ethical considerations when handling transcribed data. Researchers interested in the study data can contact the corresponding author Ahmed Asa’ad Al-Aghbari1 [ahmedalaghbari24@gmail.com] and AKUKenya.ResearchOffice@aku.edu.

Acknowledgments

In this section, you can acknowledge any support given which is not covered by the author contribution or funding sections. This may include administrative and technical support, or donations in kind (e.g., materials used for experiments).

Conflicts of Interest

The authors declare no conflict of interest.

References

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Table 1. How to reduce barriers to COVID-19 vaccination and improve access in Mombasa and Kilifi Kenya.
Table 1. How to reduce barriers to COVID-19 vaccination and improve access in Mombasa and Kilifi Kenya.
Themes Specific idea/code Mombasa Old Town (Urban) Rabai(Rural)
1. Increase education and awareness of COVID-19 Educate people on COVID-19 X X
Hold outreaches and awareness creation meetings X X
Address fears, rumours/misconceptions about COVID-19 X X
2. Engage diverse stakeholders Use influencers and role models X X
Encourage stakeholders to work together X
3. Use diverse materials and methods in the communication and implementation of vaccination programs Use testimonies from the vaccinated X X
Target different groups/audiences for sensitization X X
Door-to-door sensitization X X
Use of incentives X X
Use diverse social media platforms X
Through the use of written educational materials X
Use video messaging X
Targeting places frequented by adolescents X
Use of baraza (heterogeneous community gathering) X
Utilization of political rally platforms X
Trend positive vaccine information X
4. Increase vaccination facilities and staff capacity to deliver quality services Increase vaccination centers/ closer to people X X
Increase the number of staff X X
Fund awareness logistics and reduce stock out of materials X X
Have time flexibility on the vaccination services X
Proper health assessment before issuing vaccines X
Proper handling of vaccines X
Do follow-up of the unvaccinated X
Expand training of staff on the vaccination program X
Address provider’s poor attitude X
5. Revise relevant government health policies and guidelines Make COVID-19 vaccination mandatory X
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