Dr Liu said that the affected farm did not keep ducks and geese, which if placed with chickens could cause cross-infection and produce the potentially deadly bird flu H5N1.
Dr Liu said that the affected farm did not keep ducks and geese, which if placed with chickens could cause cross-infection and produce the potentially deadly bird flu H5N1.
廖医生表示受病菌感染的鸡场并无饲养鸭鹅。不然可能引致交差感染，酿成可能致命的禽流感病菌H5N1。