What is a pandemic?
Morens
David M
DM
Office of the Director, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland 20892-2520, USA. dmorens@niaid.nih.gov
Folkers
Gregory K
GK
Fauci
Anthony S
AS
D003141:Communicable Diseases / Q000453:epidemiology*; D004196:Disease Outbreaks; D014943:Global Health; D006801:Humans; D013997:Time Factors