Fauci: US may see 'surge upon surge' of virus in weeks ahead

The nation's top infectious disease expert said Sunday that the U.S. may see “surge upon a surge” of the coronavirus in the weeks after Thanksgiving, and he does not expect current recommendations around social distancing to be relaxed before Christmas.

Meanwhile, in a major reversal, New York City Mayor Bill DeBlasio said the nation's largest school system will reopen to in-person learning and increase the number of days a week many children attend class. The announcement came just 11 days after the Democratic mayor said schools would shut down because of rising COVID-19 cases.

“We feel confident that we can keep schools safe,” he said.

Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, told ABC’s “This Week” that the level of infection in the U.S. would not "all of a sudden turn around.”

“So clearly in the next few weeks, we’re going to have the same sort of thing. And perhaps even two or three weeks down the line ... we may see a surge upon a surge,” he said.

Fauci addressed the school issue, saying that spread "among children and from children is not really very big at all, not like one would have suspected. So let’s try to get the kids back, but let’s try to mitigate the things that maintain and just push the kind of community spread that we’re trying to avoid," he said.

Fauci also appeared on NBC's “Meet the Press,” where he made similar remarks, adding that it's “not too late” for people traveling home after Thanksgiving to help curb the virus by wearing masks, staying distant from others and avoiding large groups of people.

The number of new COVID-19 cases reported in the United States topped 200,000 for the first time Friday, according to data from Johns Hopkins University. Since...