一个致命的禽流感菌株杀死了赫德岛上的南部大象海豹,但澳大利亚大陆仍不受影响。 A deadly bird flu strain killed southern elephant seals on Heard Island, but mainland Australia remains unaffected.

在澳大利亚偏远地区赫德岛的南部大象海豹中证实了致命的H5N1禽流感菌株,此前10月观察到的死亡率异常。 A deadly H5N1 bird flu strain has been confirmed in southern elephant seals on Heard Island, a remote Australian territory, following unusual mortality observed in October. CSIRO的测试证实了病毒,这是高传染性2.3.4.4b clade的一部分。 Testing by the CSIRO confirmed the virus, which is part of the highly contagious 2.3.4.4b clade. 这项发现虽然涉及此事,但不会大大增加澳大利亚大陆面临的风险,因为澳大利亚大陆仍没有这种菌株。 The discovery, while concerning, does not significantly increase risk to mainland Australia, which remains free of the strain. 官员们强调不断保持警惕、生物安保和国际合作,计划于2025年12月进行后续考察,评估野生生物和环境影响。 Officials stress ongoing vigilance, biosecurity, and international cooperation, with a follow-up expedition planned for December 2025 to assess wildlife and environmental impacts.