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.
Percentage of Alaska Native and non-Native persons infected with a cagA-positive strain of Helicobacter pylori stratified by the vacA genotype of their infecting organism in Alaska from 1998 to 2005. Persons with both cagA-positive and cagA-negative H. pylori colonies were considered to be infected with a cagA-positive strain. a, p < 0.0001 for Alaska Native people versus non-Native people.
