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West Nile Virus
Research from Department of Agriculture provides new data about west nile virus
June 30th, 2009
According to a study from the United States, "The house sparrow (Passer domesticus) is a common and abundant amplifying host of West Nile virus (WNV) and many survive infection and develop humoral immunity. We experimentally inoculated house sparrows with WNV and monitored duration and protection of resulting antibodies." "Neutralizing antibody titers remained relatively constant for >= 36 months (N = 42) and provided sterilizing immunity for up to 36 months post-inoculation in 98.6% of individuals (N = 72). These results imply that immune house sparrows are protected from WNV infection for multiple transmission seasons. Additionally, individuals experiencing...
Source: TB & Outbreaks Week (2009-06-30)
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