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.
Weighted average of predicted dengue cases x 1000 people during the 2011/12 surveillance campaign (left). On the right is shown the equivalent exceedance map, with exceedance threshold of 0.33 × 1000 people. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)
