The concept of herd immunity has sparked debate about whether it would control the spread of COVID-19. Herd immunity happens when a sufficient proportion of a population is immune to an infectious disease, meaning spread from person to person is unlikely.
So what is known about immunity and COVID-19? On the Mayo Clinic Q&A podcast, Dr. S. Vincent Rajkumar, a Mayo Clinic hematologist and researcher, discusses how the body works to fight off disease.
To practice safe social distancing during the COVID-19 pandemic, this interview was conducted using video conferencing. The sound and video quality are representative of the technology used.
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