SoCal Times 南加时报

When temperatures rise above 70 degrees, tiny West Nile viral particles begin to rapidly replicate in the gut of Culex mosquitoes, which then go hunting for their next “blood meal,” injecting virus-laden saliva into their prey when they feast. This year, California’s warm, wet summer and fall produced the most West Nile activity in five years. As of Nov. 6, the virus has seriously sickened 528 people and killed 32, according to the California Department of Public Health. Most people

来源：Pasadena Now
阅读原文：https://pasadenanow.com/main/l-a-had-its-worst-mosquito-year-this-decade-el-nino-could-make-it-even-worse