Highest West Nile level in California mosquitoes

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State health officials say the proportion of mosquitoes infected with West Nile virus is at the highest level ever detected in California…

Dead birds renew pesticide spraying in San Mateo Co.

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The fogging will take place between 9:00 PM to 5:00 AM beginning Thursday evening into Friday…

Mosquito fogging planned in San Mateo County

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A truck spraying mosquito-killing insecticide will be driving around parts of San Mateo and Hillsborough Monday…

Calif. girl has West Nile, 3rd case in state

一名住在加州的6歲女孩近日被查出感染上西尼羅病毒(West Nile virus),這是今年加州第三例被確證的病例…