At the start of the pandemic the coronavirus brewed inside an infected person's body for up to one week with patients showing no signs or symptoms for as many as 12 days. This was a major reason why COVID was such a threat in the beginning. Patients were spreading the deadly disease without even knowing it. But new research shows the incubation period has dropped with each new mutation. Could this explain why COVID is spreading more quickly with each new mutation? In this week’s episode I spoke with Dr. Christopher Doehring, vice president of medical affairs at Franciscan Health, to get some answers.