TB & Outbreaks Week
Welcome to NewsRx!
Learn more about a six-week, no-risk free trial of TB & Outbreaks Week
We're a pay-per-view site for premium content. If you'd like to purchase this article, it's only $3.00.
West Nile Virus
Findings from Colorado State University in west nile virus reported
September 16th, 2008
"Passerine birds have played an important role in the establishment, maintenance, and spread of West Nile virus (WNV) in North America, and some are susceptible to WNV-associated mortality. Characterization of passive transfer of anti-WNV antibodies in passerines is important to understanding transmission and dernographic effects of WNV on wild birds," scientists in the United States report. "We showed passively acquired maternal antibodies to WNV in the house sparrow (Passer do''testicus). Although all seropositive females (N = 18) produced antibody-positive egg yolks, only 20% of seropositive mothers (3/15) produced seropositive chicks. The estimated average half-life...
Source: TB & Outbreaks Week (2008-09-16)
|
