Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Design of a Peptide-Based Subunit Vaccine against Novel Coronavirus SARS-CoV-2

Version 1 : Received: 27 March 2020 / Approved: 29 March 2020 / Online: 29 March 2020 (11:14:42 CEST)

A peer-reviewed article of this Preprint also exists.


Coronavirus disease 2019 (COVID-19) is an emerging infectious disease that was first reported in Wuhan, China and has subsequently spread worldwide. In the absence of any antiviral or immunomodulatory therapies, the disease is spreading at an alarming rate. 5 to 10% of recovered patients in Wuhan test positive again; this suggest that for controlling COVID-19, vaccines may be better option than drugs. A clinical trial to evaluate an anti-COVID-19 vaccine has started recently. However, its efficacy and potency have to be evaluated and validated. As an alternative, we are presenting a first-of-its-kind, designed multi-peptide subunit based epitope vaccine against COVID-19. The vaccine construct comprise an adjuvant, CTL, HTL, and B-cell epitopes joined by linkers. The vaccine is non-toxic, non-allergenic, thermostable and immunogenic with the capability to elicit a humoral and cell-mediated immune response. The findings are validated with high-end computation-based methods. This unique vaccine is made up of 33 highly antigenic epitopes from three proteins that have a prominent role in host receptor recognition, viral entry, and pathogenicity. We advocate this vaccine must be synthesized and tested urgently as public health priority.


adjuvant; COVID-19; immunogenic epitopes; peptide vaccine; subunit vaccine; molecular dynamics simulation


Biology and Life Sciences, Virology

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