MSNNews
06-20-2006, 12:13 PM
Messenger Index - Sometimes, a mosquito that feeds on an infected bird, will then feed on a human or horse, and that is how humans and horses become infected. Those infections are called secondary infections, and humans and horses are dead-end hosts for WNV because a ... {br}{br}View the Entire Article (http://www.messenger-index.com/articles/2006/06/14/news/nemosquitos.txt){br}