资讯

一只山狮、一头熊和一只臭鼬成为了禽流感病毒全球传播的最新受害者。 被称为H5N1的高致病性禽流感(highly pathogenic avian influenza,HPAI)让科学家们 ...
From VOA Learning English, this is the Health Report. A World Health Organization official says a new strain of avian influenza is unusually dangerous for people. Keiji Fakuda is the WHO's assistant ...