COVID-19 Story Tip: Have You Heard? Middle Ear, Mastoid Harbor Sars-Cov-2 and May Pose Risk for Medical Staffs – Johns Hopkins Medicine August 30, 2020Mickey Leave a comment Source: COVID-19 Story Tip: Have You Heard? Middle Ear, Mastoid Harbor Sars-Cov-2 and May Pose Risk for Medical Staffs – Johns Hopkins Medicine Related