2022
DOI: 10.1007/s00705-022-05469-9
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Reverse-zoonotic transmission of SARS-CoV-2 lineage alpha (B.1.1.7) to great apes and exotic felids in a zoo in the Czech Republic

Abstract: We report an outbreak of SARS-CoV-2 lineage alpha in gorillas and felid species in a zoo in Prague, Czech Republic. The course of illness and clinical signs are described, as are the results of characterization of these particular SARS-CoV-2 variants by next-generation sequencing and phylogenetic analysis. The putative transmission routes are also discussed. Supplementary Information The online version contains supplementary material available at 10.1007/s00705-022-05469-9.

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Cited by 23 publications
(31 citation statements)
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“…SARS-CoV-2 infection has further “spilled back” from humans into numerous animal species ( 6 10 ), creating the risk of formation of new animal reservoirs. Examples of animals known to be infectible with SARS-CoV-2 include great apes, mice, cats, dogs, deer, mink, and hamsters ( 6 , 8 , 11 16 ). Infection of mink farms has been widely reported, and tracking via analysis of genome sequences suggests that a mink lineage has spilled back into humans ( 6 ).…”
Section: Introductionmentioning
confidence: 99%
“…SARS-CoV-2 infection has further “spilled back” from humans into numerous animal species ( 6 10 ), creating the risk of formation of new animal reservoirs. Examples of animals known to be infectible with SARS-CoV-2 include great apes, mice, cats, dogs, deer, mink, and hamsters ( 6 , 8 , 11 16 ). Infection of mink farms has been widely reported, and tracking via analysis of genome sequences suggests that a mink lineage has spilled back into humans ( 6 ).…”
Section: Introductionmentioning
confidence: 99%
“…The shortest distance between visitor and hippo is 2.5 m, but zookeepers get closer for training and inspection, although none of them showed any sign of infection before or after the first hippo's nasal discharge. Zookeepers were vaccinated, but could have been asymptomatic carriers, similar to what has happened in other zoos [20][21][22][23][24]. Although the animal feed may have been contaminated by the zookeepers, indirectly transmitting the infection, the feed was not examined, but the risk of contracting COVID-19 in this way is considered quite low even in humans [21].…”
Section: Discussionmentioning
confidence: 99%
“…Esses resultados evidenciam que Canis familiaris não configura um bom hospedeiro ou possui mecanismos de defesa imune eficientes para as cepas do vírus circulantes naqueles países. Até o momento, não há evidências de transmissão do SARS-em cativeiro (McAloose et al, 2020;Bartlett et al, 2021;Cushing et al, 2021;Grome et al, 2022;Nagy et al, 2022); leopardos (Panthera pardus) em ambiente selvagem (Mahajan et al, 2022); e leopardo-das-neves (Panthera uncia) em zoológico (Wang et al, 2022). Foi relatada também infecção pelo SARS-CoV-2 em suçuarana (Puma concolor) (Giraldo-Ramírez et al, 2021).…”
Section: O Vison Europeu (Mustela Vison) E O Vison Americano (Neoviso...unclassified
“…Infecções experimentais verificaram a susceptibilidade de macacos rhesus (Macaca mulatta e Macaca fascicularis), com sinais, sintomas e evolução da patogenia semelhante à da COVID-19 em humanos (Lu et al, 2020;Munster et al, 2020;Rockx et al, 2020;Shan et al, 2020;Zheng et al, 2020). O contato com humanos foi a fonte de contaminação de gorilas (Gorilla beringei) em zoológicos (Nagy et al, 2022;Islam et al, 2021;Gibbons, 2021), com sintomas leves de infecção respiratória. A possibilidade de zoonose reversa para grandes símios, incluindo chimpanzés e gorilas, ensejou a implementação de medidas de proteção em reservas de vida selvagem em toda a África e Ásia (Gibbons, 2021).…”
Section: O Vison Europeu (Mustela Vison) E O Vison Americano (Neoviso...unclassified
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