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.
Literature search and study selection process for systematic review of the literature, published between 2019 and 2020, on individuals with COVID-19 who exhibit signs or symptoms suggestive of COVID-19. Study followed the PRISMA guidelines for conducting systematic review.
