Skip to main content

An official website of the United States government

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.

Image: PRNG Help Establish Vaccination Sites (4)
San Juan, Puerto Rico, January 29, 2021 - A Puerto Rico National Guardsmen administers the COVID-19 vaccine to a person in the Phase 1A, as stipulated by the Puerto Rico Department of Health. The U.S. Food and Drug Administration gave an emergency use authorization to mRNA COVID-19 vaccines to stop the spread of the virus.  (FEMA Photo by Yuisa Rios/Released)