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.
ECO: Escherichia coli; STA: Staphylococcus aureus; SAL: Salmonella species; KLE: Klebsiella species; PRO: Proteus species; PSE: Pseudomonas species; STR: Streptococcus species; R: Reference bacteria strains.
