Hong Kong authorities announced a two-week ban on flights from eight countries and held 2,500 passengers on a cruise ship for coronavirus testing as the city attempted to stem an omicron outbreak.

In the face of rising COVID-19 cases, Dr. Bob Wachter of the University of California, San Francisco, offers reasons to be hopeful about the pandemic's outlook in the months ahead.

The Tonight Show Starring Jimmy Fallon and Late Night With Seth Meyers are both taped at New York City's 30 Rockefeller Plaza. Meyers' show has been canceled for the rest of this week.

The move to shorten the Pfizer booster interval comes as the U.S. shatters daily case records. The recommended interval for those who received Moderna or Johnson & Johnson vaccines has not changed.

A shepherd in Germany arranged her animals into a 330-foot syringe to encourage people to get vaccinated.

The CDC recently cut the number of days it recommends COVID-positive people remain in isolation from 10 days to five, but it didn't require a negative test to leave isolation.

Amid the omicron surge, there is understandable anxiety among parents, particularly those with kids under 5. Pediatric infectious disease doctor Ibukun Kalu answers some of their questions.

The U.S. will soon mark two years since the first confirmed case of COVID-19 in the country, and the number of new infections has never been higher. Meanwhile, travelers are facing canceled flights.

The variant caused fewer deaths and less severe infections than past versions of the virus in South Africa, but that could be different in other countries.

Two studies that have not yet been peer reviewed indicate increased protection against the infectious omicron variant.