Dr. Anthony Fauci, the leading expert on infectious diseases in the US, said what would be the estimated percentage of the population that would need to be vaccinated against COVID-19 before the country reaches herd immunity, and why its range has changed.
Dr. Fauci explains how and when herd immunity could be achieved in the US | Video | CNN
2020-12-28T21:35:11.361Z
Dr. Anthony Fauci, America's leading infectious disease expert, said what would be the estimated percentage of the population that would need to be | United States | CNN