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COVID-19—Zoonosis or Emerging Infectious Disease?

Haider, N; Rothman-Ostrow, R; Osman, A; Arruda, LB; Macfarlane-Berry, L; Elton, L; Thomason, M; Yeboah-Manu, D; Ansumana, R; Kapata, N; Mboera, L; Rushton, J; McHugh, T; Heymann, D; Zumla, A; Kock, R

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Authors

R Rothman-Ostrow

A Osman

LB Arruda

L Macfarlane-Berry

L Elton

M Thomason

D Yeboah-Manu

R Ansumana

N Kapata

L Mboera

J Rushton

T McHugh

D Heymann

A Zumla

R Kock



Abstract

<jats:p>The World Health Organization defines a zoonosis as any infection naturally transmissible from vertebrate animals to humans. The pandemic of Coronavirus disease (COVID-19) caused by SARS-CoV-2 has been classified as a zoonotic disease, however, no animal reservoir has yet been found, so this classification is premature. We propose that COVID-19 should instead be classified an “<jats:italic>emerging infectious disease (EID) of probable animal origin</jats:italic>.” To explore if COVID-19 infection fits our proposed re-categorization vs. the contemporary definitions of zoonoses, we reviewed current evidence of infection origin and transmission routes of SARS-CoV-2 virus and described this in the context of known zoonoses, EIDs and “spill-over” events. Although the initial one hundred COVID-19 patients were presumably exposed to the virus at a seafood Market in China, and despite the fact that 33 of 585 swab samples collected from surfaces and cages in the market tested positive for SARS-CoV-2, no virus was isolated directly from animals and no animal reservoir was detected. Elsewhere, SARS-CoV-2 has been detected in animals including domesticated cats, dogs, and ferrets, as well as captive-managed mink, lions, tigers, deer, and mice confirming zooanthroponosis. Other than circumstantial evidence of zoonotic cases in mink farms in the Netherlands, no cases of natural transmission from wild or domesticated animals have been confirmed. More than 40 million human COVID-19 infections reported appear to be exclusively through human-human transmission. SARS-CoV-2 virus and COVID-19 do not meet the WHO definition of zoonoses. We suggest SARS-CoV-2 should be re-classified as an EID of probable animal origin.</jats:p>

Citation

Haider, N., Rothman-Ostrow, R., Osman, A., Arruda, L., Macfarlane-Berry, L., Elton, L., Thomason, M., Yeboah-Manu, D., Ansumana, R., Kapata, N., Mboera, L., Rushton, J., McHugh, T., Heymann, D., Zumla, A., & Kock, R. (2020). COVID-19—Zoonosis or Emerging Infectious Disease?. Frontiers in Public Health, 8, 1-8. https://doi.org/10.3389/fpubh.2020.596944

Journal Article Type Article
Acceptance Date Oct 20, 2020
Online Publication Date Nov 26, 2020
Publication Date Nov 26, 2020
Journal Frontiers in Public Health
Electronic ISSN 2296-2565
Publisher Frontiers Media
Peer Reviewed Peer Reviewed
Volume 8
Article Number 596944
Pages 1-8
DOI https://doi.org/10.3389/fpubh.2020.596944
Public URL https://keele-repository.worktribe.com/output/424580
Publisher URL https://www.frontiersin.org/articles/10.3389/fpubh.2020.596944/full
PMID 33324602

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