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.
Prevalence of Legionella pneumophila serogroup 1 sequence type 1 (ST1) (A) and ST211 (B) endemic strains in Ontario. Black bar sections indicate proportion of strains from isolated cases and white bar sections indicate proportion of isolates from outbreaks.
