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.
Injectable vaccines in clinical development phase. COVID-19: coronavirus disease 2019. Reference: Draft landscape of COVID-19 candidate vaccines. World Health Organization. http://www.who.int/publications/m/item/draft-landscape-of-covid-19-candidate-vaccines. Accessed January 17, 2021.
