Understanding COVID-19: Why Does Social Distancing Work?

Brooklyn resident and waitress Casey Stewart peers out from a ski mask she adapted to protect herself from coronavirus after riding the subway to Times Square, March 12, 2020, in New York. She is also wearing a protective mask beneath the ski mask.
Kathy Willens/AP

NBCLX's Cody Broadway talks with experts to learn the history and importance of social distancing during the coronavirus pandemic.

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