In this video Dr. Rohit Aggarwal talks about 5 key questions about the mask in Covid-19 crisis:
a. Why masks are important?
b. What are the different types of masks?
c. How to properly use and re-use the mask?
d. What is the evidence behind the mask?
e. Should we use the mask all times in all places?
- The best strategy to prevent Covid-19 infection
Dr. Rohit Aggarwal is an associate professor of medicine at the University of Pittsburgh, the medical director of the Arthritis and Autoimmunity Center, UPMC, and the chair of the medical advisory board of The Myositis Association (TMA).

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