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.
Proportion of Shigella serogroups from stools of cases of moderate-to-severe diarrhea at the 3 Vaccine Impact on Diarrhea in Africa (VIDA) study sites. The frequency of Shigella-positive cases during 3 study periods (Global Enteric Multicenter Study [GEMS], GEMS-1A, and VIDA) is shown for each of the 3 study sites in sub-Saharan Africa.
