But Smith on Friday said data collected by the federal Centers for Disease Control and Prevention, local health departments and others suggest it was "a lot longer than we first believed" — most likely since "back in December."
"This wasn't recognized because we were having a severe flu season," Smith said in an interview. "Symptoms are very much like the flu. If you got a mild case of COVID, you didn't really notice. You didn't even go to the doctor. The doctor maybe didn't even do it because they presumed it was the flu."