Dr. Anthony Fauci

Fauci told NBC’s “Today” show that as cases decrease, “you are definitely going to see the CDC come back and be more flexible.”

Cases are up in some states, but the Biden administration's chief medical adviser says that "hopefully ... the vaccine is going to win this one." He urges continued mask-wearing and other measures.

In this interview, Dr. Anthony Fauci sheds light on vaccines, variants and a return to normalcy.

The prize committee said Dr. Anthony Fauci, long-time head of the United States' leading infectious diseases research institute, "is the consummate model of leadership and impact in public health."

The administration is in its early days, but the infectious disease expert says he's encouraged by the new president's attitude about the pandemic. Science, Fauci says, is "going to rule."

Dr. Anthony Fauci and former President Trump butted heads, leading to a public rift between the pair. Fauci says he now feels free to "let the science speak."

In a virtual town hall for kids on CNN, Dr. Anthony Fauci said he made a trip to the North Pole to get Santa vaccinated for COVID-19. "He is good to go."

Fauci said once the vaccine becomes widely available, if by "April, May, June, July, we get as many people vaccinated as possible, we could really turn this thing around" by the end of 2021.

The president-elect also told CNN on Thursday he would ask Americans to wear masks for the first 100 days of his administration.

Updated at 1:37 p.m. ETAmid criticism from Democrats that politics may be guiding decisions at the nation's top health agencies, the commissioner of the…