Higher Temperatures Helped New Strain Of West Nile Virus Spread
Friday, June 27, 2008 - 17:35
in Health & Medicine
Higher temperatures helped a new strain of West Nile virus invade and spread across North America. Researchers found that the new strain is more efficiently transmitted than the older strain, and the advantage of the new strain increases with higher temperatures. These findings help explain the spread of virus strain responsible for largest US epidemics.