Columbia University Irving Medical Center | When Should I Wear a Mask? @ColumbiaMedicine | Uploaded April 2020 | Updated October 2024, 2 hours ago.
The CDC now recommends Americans wear masks or face coverings when out in public or in places where physical distancing is difficult.
Susannah Hills, MD, assistant professor of otolaryngology—head & neck surgery at Columbia University Vagelos College of Physicians and Surgeons, explains how face coverings can help reduce the spread of the new coronavirus.
The CDC now recommends Americans wear masks or face coverings when out in public or in places where physical distancing is difficult.
Susannah Hills, MD, assistant professor of otolaryngology—head & neck surgery at Columbia University Vagelos College of Physicians and Surgeons, explains how face coverings can help reduce the spread of the new coronavirus.
