期刊
ANNUAL REVIEW OF ANIMAL BIOSCIENCES
卷 11, 期 -, 页码 1-31出版社
ANNUAL REVIEWS
DOI: 10.1146/annurev-animal-020420-025011
关键词
zoonotic diseases; coronavirus; animal model; cross-species transmission; recombination; surveillance
Over the past three decades, coronavirus diseases have had a significant impact on humans, particularly the recent emergence of the SARS-CoV-2 virus causing COVID-19, leading to economic disruptions and loss of lives. The rapid mutation of the SARS-CoV-2 genome has resulted in variants of concern, posing a global threat to human health. Identifying the zoonotic origin and transmission of these viruses is crucial for pandemic management and future outbreak prevention.
Over the past three decades, coronavirus (CoV) diseases have impacted humans more than any other emerging infectious disease. The recent emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent of COVID-19 (coronavirus disease 2019), has resulted in huge economic disruptions and loss of human lives. The SARS-CoV-2 genome was found to mutate more rapidly due to sustained transmission in humans and potentially animals, resulting in variants of concern (VOCs) that threaten global human health. However, the primary difficulties are filling in the current knowledge gaps in terms of the origin and modalities of emergence for these viruses. Because many CoVs threatening human health are suspected to have a zoonotic origin, identifying the animal hosts implicated in the spillover or spillback events would be beneficial for current pandemic management and to prevent future outbreaks. In this review, we summarize the animalmodels, zoonotic reservoirs, and cross-species transmission of the emerging human CoVs. Finally, we comment on potential sources of SARS-CoV-2 Omicron VOCs and the new SARS-CoV-2 recombinants currently under investigation.
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