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Trump has been criticized for comments that Democrats say put political pressure on the process of testing and authorizing a vaccine amid reports that political officials sought to interfere with reports or decisions at CDC or the FDA or accused career public health officials of scheming to work against the president.

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Pool/Getty Images
PHOTO: U.S. Food and Drug Administration Commissioner Stephen Hahn testifies at a hearing of the Senate Health, Education, Labor and Pensions Committee on Sept. 23, 2020, in Washington.
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But Redfield, Fauci, and officials like FDA Commissioner Steven Hahn insisted a vaccine will only be made available to the American public if the data shows it's safe and effective, and they said they have no hesitation about taking a vaccine that's authorized by FDA.

Redfield pushed back against criticism of CDC scientists from people who have compared them to the \"deep state,\" calling the comments offensive and saying career officials are dedicated to protecting Americans' health.

\"People don’t understand the ability to suck energy out of people working 24-7 when they get unfairly criticized or unfairly characterized,” he said.

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Pool/Getty Images
PHOTO: Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, testifies at a hearing of the Senate Health, Education, Labor and Pensions Committee on Sept. 23, 2020, in Washington.
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Fauci testified Wednesday that the first rounds of vaccines will likely be prioritized to health care workers and people with pre-existing conditions that make them vulnerable to worse outcomes from COVID-19, if a vaccine is authorized by the FDA later this year.

\"If you're talking about who's gonna get vaccinated in December or November, it is not going to be a large proportion of the population. It will be according to what we were discussing before. Namely those who are who are, according to the advisory committee on immunization practices getting the priority likely will be healthcare providers and likely will be those who are vulnerable with underlying conditions. I can't say that for certain. but if anything, is the past this prologue that likely will be the case,\" Fauci said in the hearing.

\"But we're not gonna have all of the doses available, For example, by the end of December, they will be rolling in. As the months go by, and by the time you get to maybe the third or fourth month of the 2021, then you'll have doses for everyone.\"

Fauci also clarified millions of doses of all the viable vaccine candidates are being produced so that doesn't mean 700 million people would be able to be vaccinated by April, depending on doses how many of a specific vaccine that's authorized are available and if that vaccine consists of one shot or two. Four vaccines in the US have begun Phase 3 clinical trials.

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