WHO: Record weekly jump in COVID-19 cases but fewer deaths

GENEVA — The World Health Organization said Thursday that a record 9.5 million COVID-19 cases were tallied over the last week as the omicron variant of the coronavirus swept the planet, a 71% increase from the previous 7-day period that the U.N. health agency likened to a “tsunami.” However, the number of weekly recorded deaths declined.

CDC posts rationale for shorter isolation, quarantine

NEW YORK — The Centers for Disease Control and Prevention on Tuesday explained the scientific rationale for shortening its COVID-19 isolation and quarantine recommendations, and clarified that the guidance applies to kids as well as adults.

Omicron upends return to US schools and workplaces

Some school systems around the U.S. extended their holiday break Monday or switched back to online instruction because of the explosion in COVID-19 cases, while others pressed ahead with in-person classes amid a seemingly growing sense that Americans will have to learn to co-exist with the virus.

Schools adapt for return from break as COVID-19 cases surge

Mask requirements are returning in some school districts that had dropped them. Some are planning to vastly ramp up virus testing among students and staff. And a small number of school systems are switching to remote learning — for just a short while, educators hope.

Fauci: CDC mulling COVID test requirement for asymptomatic

WASHINGTON — 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.