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.
Self-Reported Illness Duration in Days for COVID-19, Non-COVID-19 Flu, and Pre-COVID-19 Flu Cases
Vertical lines denote the median illness duration. COVID-19 (n = 230, blue); non-COVID-19 flu (n = 426, gray); pre-COVID-19 flu (n = 6,270, light gray). Error bands around foot of vertical median lines represent bootstrapped 95% confidence intervals.
