FIG. 1.
Seasonal distribution of collected specimens (curves) and samples positive for M. pneumoniae (bars). The surveillance was stopped between weeks 14 and 40 of each year.
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.