Flow chart of how vaccines progress through phases, such as phase 1

Phase One is the beginning of human trials, it has about 20-100 participants in it. There are 9 vaccines in phase one as of 6/30/2020. Click here to go to all vaccines in development

DNA

Inactivated

Replicating Viral Vector

  • N/A

Non-Replicated Viral Vector

RNA

Live Attenuated Virus

  • N/A

Protein Subunit

VLP

  • N/A

Unknown

  • N/A