By Ted Noel, M.D. Once upon a time, there was a coronavirus.  Actually, there were several coronaviruses.  The CDC lists 229E, NL63, OC43, and HKU1.  It goes on to note that…
By Ted Noel, M.D. Once upon a time, there was a coronavirus.  Actually, there were several coronaviruses.  The CDC lists 229E, NL63, OC43, and HKU1.  It goes on to note that…