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.
Weekly numbers of Cache Valley virus isolations and infection rates (IR) relative to the mean number per trap-night of Aedes vexans, Aedes cinereus, Anopheles earlei, Culex tarsalis, Culiseta inornata, Ochlerotatus dorsalis, Ochlerotatus flavescens, Ochlerotatus melanimon, and Ochlerotatus trivittatus, North Dakota, 2005.
