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.
Epidemiology of urinary tract infections (UTIs). UTIs are multispecies; the type of infection can be caused by Gram-negative bacteria, Gram-positive bacteria, or fungi. Among them, uropathogenic E. coli (UPEC) are the main pathogenic factor for UTIs, accounting for about 75% of uncomplicated UTI cases and more than half of complicated UTI cases.
