West Nile's North American Spread Described
Monday, November 3, 2008 - 10:28
in Biology & Nature
Most affected bird species have not yet recovered from the rapid spread of West Nile virus in North America after 1999, and the long-term ecological implications of the pathogen seem likely to be substantial. Annual outbreaks continue, and more research is needed to identify predictive factors that could lead to stepped-up countermeasures in vulnerable areas.