Exotic newcastle disease is a bird virus found in many parts of the world . many kinds of birds carry it . but it especially affects chickens and a few others 異國情調新城疫是一種鳥類病毒的發現,在世界許多地方。許多種鳥類進行的。但尤其影響到雞和其他幾個。
But most of all , everyone worried about the implications for human health of what is ? though it has indeed claimed some human victims ? still basically a bird disease 但人們最擔憂的是這背后對人類健康的啟示:當禽流感已經奪去數人的生命,它還能只算作一種鳥類疾病嗎?
The h5n1 virus remains mainly a virus of birds but experts fear it could change into a form easily transmitted from person to person and sweep the world , killing millions H5n1主要仍是一種鳥類病毒,但是專家們害怕它可能改變成一種易于在人間傳播的病毒,從而在世界肆虐,殺死數百萬人。