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.
PCC indicates post–COVID-19 condition; among SARS-CoV-2 negative participants, use of this term refers to the presence of symptoms consistent with PCC.
