Wafaa El-Sadr, MD, MPH, MPA, University Professor of Epidemiology and Medicine at Columbia University, the director of ICAP at Columbia University, and director of the Global Health Initiative at the Mailman School of Public Health,talks with Lane Bajardi LIVE on WINS:

“It’s incumbent on each and everyone of us to talk to our friends, our colleagues, and others, to encourage them strongly to wear masks indoors at this point of time, because it definitely is for our individual good as well as for the collective good of all New Yorkers,” she said.

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