Figure 1.
Typical time course for development of West Nile virus in blood and brain and occurrence of IgG and IgM antibodies in humans after West Nile virus infection
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.