High Exposure to SARS-CoV-2 among Pregnant Women after the First and Second Waves of COVID-19 in Senegal

How to cite: Diouara, A. A. M.; Thiam, F.; Coundoul, S.; Manga, N. M.; Ndiaye, H. D.; Senghor, A.; Tene, S. D.; Sané, S.; Kane, B.; Sarr, H.; Dieye, Y.; Lo, S.; Danfakha, F.; Dieme, M. E. F.; Biaye, B.; Nguer, C. M.; Peeters, M.; KANE, C. T.; Ayouba, A. High Exposure to SARS-CoV-2 among Pregnant Women after the First and Second Waves of COVID-19 in Senegal. Preprints 2023, 2023101684. https://doi.org/10.20944/preprints202310.1684.v1 Diouara, A. A. M.; Thiam, F.; Coundoul, S.; Manga, N. M.; Ndiaye, H. D.; Senghor, A.; Tene, S. D.; Sané, S.; Kane, B.; Sarr, H.; Dieye, Y.; Lo, S.; Danfakha, F.; Dieme, M. E. F.; Biaye, B.; Nguer, C. M.; Peeters, M.; KANE, C. T.; Ayouba, A. High Exposure to SARS-CoV-2 among Pregnant Women after the First and Second Waves of COVID-19 in Senegal. Preprints 2023, 2023101684. https://doi.org/10.20944/preprints202310.1684.v1

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MDPI and ACS Style

Diouara, A. A. M.; Thiam, F.; Coundoul, S.; Manga, N. M.; Ndiaye, H. D.; Senghor, A.; Tene, S. D.; Sané, S.; Kane, B.; Sarr, H.; Dieye, Y.; Lo, S.; Danfakha, F.; Dieme, M. E. F.; Biaye, B.; Nguer, C. M.; Peeters, M.; KANE, C. T.; Ayouba, A. High Exposure to SARS-CoV-2 among Pregnant Women after the First and Second Waves of COVID-19 in Senegal. Preprints 2023, 2023101684. https://doi.org/10.20944/preprints202310.1684.v1

APA Style

Diouara, A. A. M., Thiam, F., Coundoul, S., Manga, N. M., Ndiaye, H. D., Senghor, A., Tene, S. D., Sané, S., Kane, B., Sarr, H., Dieye, Y., Lo, S., Danfakha, F., Dieme, M. E. F., Biaye, B., Nguer, C. M., Peeters, M., KANE, C. T., & Ayouba, A. (2023). High Exposure to SARS-CoV-2 among Pregnant Women after the First and Second Waves of COVID-19 in Senegal. Preprints. https://doi.org/10.20944/preprints202310.1684.v1

Chicago/Turabian Style

Diouara, A. A. M., Coumba TOURE KANE and Ahidjo Ayouba. 2023 "High Exposure to SARS-CoV-2 among Pregnant Women after the First and Second Waves of COVID-19 in Senegal" Preprints. https://doi.org/10.20944/preprints202310.1684.v1

Abstract

This study aims to determine the seroprevalence of SARS-CoV-2 in pregnant women attending antenatal consultations (ANC) in Senegal. A non-redundant consecutive recruitment of participants was carried out between, March and July 2021 during the Delta wave of COVID-19. The plasma samples biobanked at -80°C were subjected to an enzyme-linked immunosorbent assay (ELISA) for the qualitative detection of IgG and IgM antibodies of SARS-CoV-2 using the WANTAI SARS-CoV-2 Ab ELISA (Wantai Biological Pharmacy Enterprise, Beijing). To assess factors associated with seropositivity, bivariate analysis was per-formed with JMP® Pro Version 15.0.0 software (SAS Institute Inc., Cary, NC, 1989–2021). For frequencies below 5%, chi2 or Fischer tests were performed. In all cases, significant statistical threshold was set at p-values considered to be less than 0.05. A total of 1,227 pregnant women were recruited in five health facil-ities, including two in Dakar (n=166) and one in each of the following regional capitals: Saint-Louis (n=400), Ziguinchor (n=264) and Kédougou (n=397). The median age among was 25 years [18 - 50]. The overall sero-prevalence observed was 64.9% (797/1227), with higher exposure rates in Dakar with 71.6% (119/166) and Ziguinchor with 68.1% (180/264). Kédougou and Saint-Louis reported 62.9% (250/397) and 62% (248/400), respectively. According to age group, the seroprevalence was 62.6% (331/528), 66.6% (238/357), 63.5% (148/223) and 67.2% (80/119) respectively for [18-23], [24-29], [30-35] and ≥36 years old. This variability in the seroprevalence of SARS-CoV-2 according to the localities was not statistically significant (p=0.7024). We found no association between factors such as recruitment period, age, level of education, marital and pro-fessional status.

Keywords

SARS-CoV-2; Seroprevalence; Pregnancy and COVID-19; Senegal

Subject

Biology and Life Sciences, Biology and Biotechnology

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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