As of October 2020, there were 321 candidates for vaccines inte... - dofaq.co
covid 19 vaccine

As of October 2020, there were 321 candidates for vaccines inte...

wikipedia - 26 Jan 2021
As of October 2020, there were 321 candidates for vaccines intended to provide acquired immunity against coronavirus disease 2019 (COVID‑19), a 2.5 fold increase since April.[1] In October, some 44 vaccine candidates were in clinical research: namely 34 in Phase I–II trials and 10 in Phase II–III trials.[1][2][3][4]

What's New