Cuando las temperaturas superan los 70 grados, pequeñas partículas virales del virus del Nilo Occidental comienzan a replicarse rápidamente en el intestino de los mosquitos Culex, que luego salen en busca de su próxima "comida de sangre", inyectando saliva cargada de virus en sus presas al alimentarse. Este año, el cálido y húmedo verano y otoño de California produjeron la mayor actividad del virus del Nilo Occidental en cinco años. Hasta el 6 de noviembre, el virus ha enfermado gravemente a 528 personas y ha causado la muerte de 32, según el Departamento de Salud Pública de California. La may
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L.A. Had Its Worst Mosquito Year This Decade. El Niño Could Make It Even Worse
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
Pasadena Now · 采集 2026/11/10 06:05
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