Why Is It Harder to Achieve Herd Immunity with COVID-19?

“Extra’s” Billy Bush sat down with Dr. Armand Dorian to talk about some of the hot topics surrounding COVID-19. Dr. Dorian addresses why social distancing has been so important with this virus and why it is harder to get to herd immunity than with past pandemics.

Billy also reports on news that CNN anchor Chris Cuomo was consulting with Dr. Anthony Fauci during his battle with the coronavirus.

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