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中国科学家发现新冠病毒可感染宠物狗
2020-05-15 10:48

香港大学Malik Peiris团队发现新冠病毒(SARS-CoV-2)可感染宠物狗。该研究于2020年5月14日在线发表于《自然》。

通过使用定量RT-PCR、血清学、病毒基因组测序,以及在一只狗中分离出病毒,研究人员发现香港特区确诊为COVID-19病例的家庭中有十五只狗被感染。在13天的时间里,研究人员从一只17岁的绝育雄性博美犬的五个鼻拭子中检测到SARS-CoV-2 RNA。一只2.5岁的雄性德国牧羊犬检测到两次SARS CoV-2 RNA,并且从鼻拭子和口腔拭子中分离出病毒。两只狗都有使用中和测定法检测到抗体反应。来自两只狗的病毒遗传序列与在相应人类病例中检测到的病毒相同。在隔离期间,这些动物无症状。
 
这些证据表明,SARS-CoV-2可通过人对动物进行传播。目前尚不清楚受感染的狗是否可以将病毒传播给其他动物或传播给人类。
 
附:英文原文

Title: Infection of dogs with SARS-CoV-2

Author: Thomas H. C. Sit, Christopher J. Brackman, Sin Ming Ip, Karina W. S. Tam, Pierra Y. T. Law, Esther M. W. To, Veronica Y. T. Yu, Leslie D. Sims, Dominic N. C. Tsang, Daniel K. W. Chu, Ranawaka A. P. M. Perera, Leo L. M. Poon, Malik Peiris

Issue&Volume: 2020-05-14

Abstract: SARS-CoV-2 emerged in Wuhan in December 2019 and caused the pandemic respiratory disease, COVID-191,2. In 2003, the closely related SARS-CoV had been detected in domestic cats and a dog3. However, little is known about the susceptibility of domestic pet mammals to SARS-CoV-2. Two out of fifteen dogs from households with confirmed human cases of COVID-19 in Hong Kong SAR were found to be infected using quantitative RT–PCR, serology, sequencing the viral genome, and in one dog, virus isolation. SARS-CoV-2 RNA was detected in a 17-year-old neutered male Pomeranian from five nasal swabs collected over a 13-day period. A 2.5-year-old male German Shepherd dog had SARS CoV-2 RNA on two occasions and virus was isolated from nasal and oral swabs. Both dogs had antibody responses detected using plaque reduction neutralization assays. Viral genetic sequences of viruses from the two dogs were identical to the virus detected in the respective human cases. The animals remained asymptomatic during quarantine. The evidence suggests that these are instances of human-to-animal transmission of SARS-CoV-2. It is unclear whether infected dogs can transmit the virus to other animals or back to humans.

DOI: 10.1038/s41586-020-2334-5

Source:https://www.nature.com/articles/s41586-020-2334-5

Nature:《自然》,创刊于1869年。隶属于施普林格·自然出版集团,最新IF:69.504
官方网址:http://www.nature.com/
投稿链接:http://www.nature.com/authors/submit_manuscript.html


本期文章:《自然》:Online/在线发表

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