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          - David M Morens, Peter Daszak, and Jeffery K Taubenberger.
- From the Office of the Director (D.M.M.) and the Viral Pathogenesis and Evolution Section, Laboratory of Infectious Diseases (J.K.T.), National Institute of Allergy and Infectious Diseases, Bethesda, MD; and EcoHealth Alliance, New York, New York (P.D.).
- N. Engl. J. Med. 2020 Apr 2; 382 (14): 1293-1295.
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