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.
Schistosomiasis japonica endemicity over time (A–C) and the locations of 41 national surveillance sites (D: shown as red dots) in the Dongting Lake area of Hunan province, China. Brown: Infection control; Gold: Transmission control; Green: Transmission interruption; White: Elimination.
