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.
The arrow indicates the occurrence of community-wide insecticide spraying and initiation of vector surveillance. Figures indicate the number of people examined for antibodies or reporting their serostatus for T. cruzi. Five people with unknown age were excluded.
