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.
Post COVID Functional Scale before and after COVID-19. Grade 0: No functional limitations; Grade 1: Negligible functional limitations; Grade 2 Slight functional limitations; Grade 3: Moderate functional limitations; Grade 4: Severe functional limitations.
