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.
Location of the study area in Jiangsu province, China, and distribution of study villages. The schistosomiasis japonica control situation is described as transmission interruption (no snail is found) or transmission control (no acute case of schistosomiasis is found).
