第四例人类感染禽流感病例与美国奶牛疫情有关：科罗拉多州奶牛场工人检测出 H5N1 禽流感病毒呈阳性。 4th human case of bird flu linked to US dairy cow outbreak: Colorado dairy worker tests positive for H5N1 avian influenza.

美国发生第四起人类感染禽流感病例，与奶牛疫情有关：科罗拉多州一名奶牛场工人被检测出感染 H5N1 禽流感病毒，这是该国自 3 月份奶牛疫情爆发以来发生的第四起人类感染禽流感病例。 4th human case of bird flu linked to dairy cow outbreak in the US: Colorado dairy worker tests positive for H5N1 avian influenza, marking fourth human case in the country since an outbreak among cows that appears to have started in March. 该男子与受感染的牛有直接接触，只有一种症状——红眼病或结膜炎。 The man had direct contact with infected cattle and only had one symptom - pink eye or conjunctivitis.