NATURE:宠物中新型冠状病毒感染情况

2020-05-15 MedSci原创 MedSci原创

目前尚不清楚受感染的狗是否会把病毒传给人类或其他动物。

SARS-CoV-2于2019年12月在武汉市出现,并引起大流行性呼吸道传染病COVID-19。

在2003年,人们已经在家猫和一只狗身上检测到了与之密切相关的SARS-CoV。然而,我们对于家养宠物哺乳动物对SARS-CoV-2的易感性还知之甚少。

在香港特区确诊为COVID-19的家庭中,采用定量RT-PCR、血清学、病毒基因组测序等方法,研究人员发现15只狗中有两只狗被感染,并在一只狗身上进行了病毒分离。

在一只17岁的雄性博美犬身上,从13天内收集的5个鼻拭子中检测到了SARS-CoV-2 RNA。一只2.5岁的德国牧羊犬2次出现SARS-CoV-2 RNA,从鼻腔和口腔拭子中分离出病毒。两只狗都用斑块还原中和测定法检测出了抗体反应。两只狗的病毒基因序列与人类病例中检测到的病毒完全相同。在隔离期间,这些动物仍然没有症状。

因此,证据显示,这两例是人类向动物传播的SARS-CoV-2病毒。但是,目前尚不清楚受感染的狗是否会把病毒传给人类或其他动物。

 

原始出处:

Thomas H. C. Sit et al. Infection of dogs with SARS-CoV-2. NATURE (2020). 

 

 

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    2020-10-16 liye789132251
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    2020-08-27 14818eb4m67暂无昵称

    学习了

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