On January 14 the World Health Organization parroted China that there was no evidence of human-to-human transmission of the novel coronavirus. The next day the U.S. had its first identified case but we wouldn’t know it for six more days. New York didn’t confirm it had a case until the end of February.
Vaughn Cordle was a United Airlines Boeing 787 pilot, flying out of Beijing several times a month. He noticed an uptick in sick passengers on his flights between China and Washington Dulles as far back as December, including a co-pilot making Beijing roundtrips. He fell ill in mid-January.