As far back as late November, U.S. intelligence officials were warning that a contagion was sweeping
through China’s Wuhan region, changing the patterns of life and business and posing a threat to the population, according to four sources briefed on the secret reporting.
Concerns about what is now known to be the novel
coronavirus pandemic were detailed in a November intelligence report by the military's National Center for Medical Intelligence (NCMI), according to two officials familiar with the document’s contents.