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Heavy Rains, End Of Drought Could Help Keep West Nile Virus Subdued — For Now

The end of California’s drought, announced last month amid one of the rainiest winters in memory, could offer a surprising benefit: reduced transmission of the mosquito-borne West Nile virus. Longer term, however, more severe droughts associated with climate change could contribute to an increase in the number of infections in the state and nationally. Drought is the most important weather-related factor that affects the rate of West Nile infection, researchers say. Even though mosquito eggs need water to hatch, dry conditions tend to spur greater transmission of the virus. “Ironically, when we have drought conditions, that does seem to amplify the West Nile virus transmissio...

Read the full post at Syndicate – Kaiser Health News
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