Fig. 1.
Duration of symptoms. Bars represent the percentage of patients with unresolved and resolved symptoms by interview date. Dots indicate the mean duration of the resolved symptoms. Figure shows symptoms with a prevalence > 25%
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.