Surgical masks are designed to prevent HEALTHY surgeons from spraying their breath & spittle containing BACTERIA into the open wounds of the patient they are operating on.
— Ian56 (@Ian56789) June 19, 2020
They do NOT prevent the spread of viruses like Covid-19.
Scott Jensen MD explainspic.twitter.com/OtTRlpH5s5
Dr. Jensen weighs in on Masks.
