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.
Selected communicable diseases plotted over months Notice the significant seasonal changes in incidence of the URTI and infectious diarrheal diseases. URTIs peak in winter and infectious diarrhea peaks in summer. Spring season includes months of March, April, and May; summer includes June, July, and August; fall includes September, October, and November; and winter includes December, January, and February. Values represent percentage among all patients
