WASHINGTON (AP) — As the COVID-19 omicron variant surges across the United States, top federal health officials are looking to add a negative test along with its five-day isolation restrictions for asymptomatic Americans who catch the coronavirus, the White House's top medical adviser said Sunday.

Dr. Anthony Fauci said the Centers for Disease Control and Prevention is now considering including the negative test as part of its guidance after getting significant "pushback" on its updated recommendations last week.

Under that Dec. 27 guidance, isolation restrictions for people infected with...