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.
Base compositions from each primer target site are color-coded so that each unique base composition has its own color. ND, no data.
*Samples were determined to be GAS-negative by independent culture techniques.
