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LA had its worst mosquito year this decade. El Niño could make it even worse

LA had its worst mosquito year this decade. El Niño could make it even worse
Photo: LAist (KPCC / Southern California Public Radio) · view original

A Culex quinquefasciatus mosquito, also known as a southern house mosquito, in 2022. (Lauren Bishop / Centers for Disease Control and Prevention) When temperatures rise above 70 degrees, tiny West Nile viral particles begin to rapidly replicate in the gut of Culex mosquitoes, which then go huntin...

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