It will also block entry to travelers from Brazil and South Africa, where researchers discovered new variants of the virus. "And it's up to us to adapt and to make sure that we're staying ahead". It is set to take effect in the coming days.
Dr. Rochelle Walensky, the CDC's new director, will sign a separate order Monday requiring passengers two years and older to wear masks on all airplanes, ferries, trains, subways, buses, taxis, and ride-share vehicles, the news agency said.
The total number of COVID-19 cases in the United States topped 25 million on Sunday, according to the Center for Systems Science and Engineering at Johns Hopkins University.
The milestone was reached only five days after the United States, the world's wealthiest and hardest-hit nation, recorded 400,000 deaths from the disease. Schuchat said that these bans would be reinstated, along with restrictions on travel from 26 European countries. Numerous US airlines last week had asked CDC for waivers, airline officials said.
Concerns around the 501Y.V2 variant have been voiced by top US advisors, including the US CDC and Anthony Fauci.
Dave Chappelle Cancels Comedy Shows After Testing Positive For COVID-19
Rogan also shared another photo of Chappelle posing with various comedians, Grimes and Musk, none of whom were wearing masks. Those shows have been cancelled and Chappelle is quarantining, his representative Carla Sims said in a statement.
Mr Hancock said that he is "not sure of this data", as the variant is now being tested with vaccines in Porton Down and in South Africa, and this uncertainty is why he "wouldn't say this in public".
"There are 77 known cases of the South African variant here in the UK", Hancock said on BBC television.
The restrictions, apply to non-US citizens who have been in Brazil, Ireland, the United Kingdom, and much of Europe.
The CDC also said Sunday that, effective January 26, it would no longer consider exceptions to its requirement that worldwide travelers present a negative coronavirus test. Airlines had asked the agency to relax the rule for some countries with limited testing capacity.
Senior officials in the Health department said they would provide another chance to those who missed out on the vaccination. The company said it is willing to use all of its resources to get as many people vaccinated as possible, free of charge.