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.
West Nile virus replication cycle. Schematic view of West Nile virus replication cycle in an infected cell. Electron micrographs of West Nile virus-infected Vero cells illustrate distinct snapshots from infectious cycle: entry of virions, vesicle packets formation, and virion trafficking through Golgi complex. See text for details. ER: Endoplasmic reticulum; prM/M: Premembrane/membrane protein.
