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Are Face Masks Effective In Warding Off COVID-19?

Originally aired on 3/09/2020

Dr. Oz breaks down two different types of face masks: a surgical mask and a N95 mask. Dr. Robert Almer and professor George Contreras from New York Medical College walk us through the process of a face mask fitting and sensitivity test.

Guests: Dr. Michael Crupain , Dr. Thanuja Hamilton , Max Lugavere , Dr. Rolanda Wilkerson