COVID-19 vaccine, version 2-3-2
RaDVaC
CC BY 4.0
<a rel="nofollow" class="external free" href="https://radvac.org/wp-content/uploads/2020/07/White-Paper-SARS-CoV-2-vaccine-ver-2-3-2.pdf">https://radvac.org/wp-content/uploads/2020/07/White-Paper-SARS-CoV-2-vaccine-ver-2-3-2.pdf</a>