家畜对 SARS-CoV-2 感染的易感性。
Susceptibility of livestock to SARS-CoV-2 infection.
机构信息
Department of Biomedical Sciences, Colorado State University, Fort Collins, CO, USA.
School of Chemistry & Molecular Biosciences and Australian Infectious Diseases Research Centre, The University of Queensland, St Lucia, Australia.
出版信息
Emerg Microbes Infect. 2021 Dec;10(1):2199-2201. doi: 10.1080/22221751.2021.2003724.
Abstract
We report pilot studies to evaluate the susceptibility of common domestic livestock (cattle, sheep, goat, alpaca, rabbit, and horse) to intranasal infection with SARS-CoV-2. None of the infected animals shed infectious virus via nasal, oral, or faecal routes, although viral RNA was detected in several animals. Further, neutralizing antibody titres were low or non-existent one month following infection. These results suggest that domestic livestock are unlikely to contribute to SARS-CoV-2 epidemiology.
摘要
我们报告了一些初步研究结果，评估了常见家畜（牛、绵羊、山羊、羊驼、兔和马）经鼻腔感染 SARS-CoV-2 的易感性。尽管在几种动物中检测到了病毒 RNA，但感染动物均未通过鼻腔、口腔或粪便途径排出具有感染性的病毒。此外，感染一个月后，中和抗体滴度较低或检测不到。这些结果表明，家畜不太可能对 SARS-CoV-2 的流行病学产生影响。
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