Fauci – Covid 19, Navigating the Uncharted
Covid- was recognized in December . It was rapidly shown to be caused by a novel
coronavirus that is structurally related to the virus that causes severe acute respiratory syndrome
(SARS). As in two preceding instances of emergence of coronavirus disease in the past years — SARS
( and ) and Middle East respiratory syndrome (MERS) ( to the present) — the Covid-
outbreak has posed critical challenges for the public health, research, and medical communities.