CDC chief: Most Americans to be vaccinated for COVID-19 by July

Most Americans could be vaccinated for COVID-19 by July of 2021, Robert Redfield, head of U.S. Centers for Disease Control and Prevention (CDC) told a U.S. Senate committee on Wednesday.

He expects there to be about 700 million doses of vaccines available by late March or April, enough for 350 million people, and the vaccinations to take place over several months. 

"I think that's going to take us April, May, June, you know, possibly July, to get the entire American public completely vaccinated," Redfield told the U.S. Senate Health, Education, Labor and Pensions Committee. 

Redfield, U.S. Food and Drug Administration head Stephen Hahn, U.S. National Institute of Allergy and Infectious Diseases head Anthony Fauci and Health and Human Services official Brett Giroir were testifying on the COVID-19 pandemic, which has caused more than 200,000 deaths in the United States. 

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