Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
COVID‐19 vaccines currently under development. A total of 221 vaccines are currently in active development, with 55 in clinical trials and the other 166 in preclinical evaluation. They are displayed here grouped by vaccine type. In the schematic for each vaccine design, any SARS‐CoV‐2 material present in the vaccine is shown in red to better highlight the similarities and differences of each vaccination approach
