Science, not speculation, is essential to determine how SARS-CoV-2 reached humans

UMMS Affiliation

Department of Medicine, Division of Infectious Diseases and Immunology

Publication Date


Document Type

Letter to the Editor


Epidemiology | Immunology and Infectious Disease | Infectious Disease | Microbiology | Virus Diseases


On Feb 19, 2020, we, a group of physicians, veterinarians, epidemiologists, virologists, biologists, ecologists, and public health experts from around the world, joined together to express solidarity with our professional colleagues in China. Unsubstantiated allegations were being raised about the source of the COVID-19 outbreak and the integrity of our peers who were diligently working to learn more about the newly recognised virus, SARS-CoV-2, while struggling to care for the many patients admitted to hospital with severe illness in Wuhan and elsewhere in China.


SARS-CoV-2, COVID-19, source of outbreak

DOI of Published Version



Calisher CH, Carroll D, Colwell R, Corley RB, Daszak P, Drosten C, Enjuanes L, Farrar J, Field H, Golding J, Gorbalenya AE, Haagmans B, Hughes JM, Keusch GT, Lam SK, Lubroth J, Mackenzie JS, Madoff L, Mazet JK, Perlman SM, Poon L, Saif L, Subbarao K, Turner M. Science, not speculation, is essential to determine how SARS-CoV-2 reached humans. Lancet. 2021 Jul 17;398(10296):209-211. doi: 10.1016/S0140-6736(21)01419-7. Epub 2021 Jul 5. PMID: 34237296; PMCID: PMC8257054. Link to article on publisher's site

Journal/Book/Conference Title

Lancet (London, England)


Full author list omitted for brevity. For the full list of authors, see article.

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