second opinion with joan lunden
Coronavirus

Before the beginning of 2020, many people had never heard the word "coronavirus." But coronaviruses are not new. Researchers have been studying coronaviruses for decades. As COVID-19 appeared in 2019, lives changed forever. However, long before the World Health Organization announced the COVID-19 pandemic, coronaviruses had been making people sick in familiar ways, such as with the common cold. This episode discusses COVID-19, as well as all coronaviruses.

Episode Duration: 26 minutes and 46 seconds

Episode Number: 1701


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