
澳洲當局證實麥夸利島首度驗出H5N1禽流感病毒,已在象海豹及黑背鷗樣本中檢出,此前赫德島曾有大量海豹幼崽死亡。
澳洲當局證實,位於亞南極地區的麥夸利島首度驗出H5N1禽流感病毒,致命病毒已在象海豹及黑背鷗族群中被檢出。麥夸利島為南方象海豹重要繁殖地,當局日前已因擔憂疫情風險撤離研究站人員。
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麥夸利島位於南冰洋,是南方象海豹的重要繁殖地,體重可達3600公斤的南方象海豹特別容易感染H5型禽流感。
(中央社雪梨17日綜合外電報導)澳洲當局今天證實,位於亞南極地區的麥夸利島(Macquarie Island)首度驗出H5N1禽流感病毒,這種致命病毒已在島上的象海豹族群中被檢出。
路透社報導,澳洲首席獸醫官(Chief Veterinary Officer)庫克生(Beth Cookson)表示,官方檢測確認,在麥夸利島採集的象海豹(elephant seal)及黑背鷗(kelp gull)樣本中驗出高病原性病毒株,這是該島首度發現H5型禽流感病毒。
澳洲於6月成為最後一個通報禽流感疫情的洲。不過,根據當地媒體報導,這種病毒早在2025年底就已出現在澳洲另一處亞南極領地赫德島(Heard Island),當時有超過1萬3000隻海豹幼崽因此死亡。
與赫德島相同,麥夸利島位於南冰洋(Southern Ocean),介於澳洲塔斯馬尼亞州(Tasmania state)與南極洲之間,還被列為聯合國教科文組織(UNESCO)世界遺產。這座島嶼也是南方象海豹(southern elephant seal)的重要繁殖地。
體重可達3600公斤的南方象海豹特別容易受到H5型禽流感病毒感染。澳洲聯邦政府表示,在某些情況下,海豹幼崽的死亡率可能超過90%。
澳洲環境部門8月表示,由於擔心H5型禽流感可能爆發,對島上考察人員造成心理及社會層面的風險,當局決定撤離麥夸利島研究站的工作人員。

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