H5N1禽流感A3在加利福尼亚州杀死18名海洋哺乳动物, H5N1 avian flu A3 killed 18 marine mammals in California, first outbreak in state’s marine life.

一种高度致病的H5N1禽流感菌株,称为A3,在加利福尼亚州圣马特奥县海岸造成至少18种海洋哺乳动物死亡,包括海象海,海和海狮,这是该州首次确认的海洋哺乳动物疫情. A highly pathogenic H5N1 avian flu strain, known as A3, has caused deaths in at least 18 marine mammals—including elephant seals, sea otters, and sea lions—along California’s San Mateo County coast, marking the first confirmed outbreak in marine mammals in the state. 2月在阿尼奥努埃沃州公园的16个大象海豹幼崽中首次发现该病毒,该病毒起源于欧亚,通过太平洋飞毛腿传播,在海燕和海狮中也发现了更多病例。 The virus, which originated in Eurasia and spread via the Pacific Flyway, was first detected in February in 16 elephant seal pups at Año Nuevo State Park, with additional cases in a sea otter and sea lion. 测试仍在继续,但所有已证实的病例仍然仅限于该地区。 Testing continues, but all confirmed cases remain confined to the area. 研究人员说这种菌株有突变 能增强哺乳动物到哺乳动物的传播 Researchers say the strain has a mutation that enhances mammal-to-mammal transmission. 当局取消了导游、封闭观光区,并敦促公众避免野生生物,向诺阿报告观光情况。 Authorities have canceled guided tours, closed viewing areas, and urge the public to avoid wildlife and report sightings to NOAA.