The number of future coronavirus cases depends on our actions, doctor says

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The U.S. recently saw nearly 100,000 new cases of COVID-19 in a single day, and parts of Europe are announcing extreme measures to slow the spread. NBC News contributor Dr. Nahid Bhadelia joins Sunday TODAY’s Willie Geist to share words of caution about the coming winter months. She also stressed the number of new cases “will depend on us.”