The first confirmed case of the coronavirus in the Unites States was a man who lived north of Seattle in Washington state. He had been traveling in Wuhan and returned to the Unites States on January 15th. At the time, he didn’t feel sick or have any symptoms but a few days later he developed a cough. His case was confirmed on January 21. But today the Seattle Times reports that investigation has uncovered two cases of people where sick weeks earlier who have since tested positive for coronavirus antibodies: She came down with a bug two days after...