Brigham and Women's Hospital in Boston said the COVID-19 vaccine is one of several immunizations required by most U.S. transplant programs.

John said that he's fully vaccinated and boosted, experiencing only mild symptoms, and expects to be able to perform at his scheduled show this weekend in Arkansas.

Monday's ruling that overturned the mandate caused confusion, with some school administrators quickly announcing masks would be optional and others continuing to enforce wearing them.

January is the first month since July 2021 that more than 36 million families in the U.S. did not receive money from the expanded child tax credit program. For some, the consequences are already dire.

Previous versions of the coronavirus didn't transmit as easily outdoors thanks to airflow that dispersed viral particles. But what about the highly transmissible omicron variant?

Georgia recently has set records in numbers of infections reported daily. The current surge, ignited by the Omicron variant, has generated an extraordinary spread of the disease, Dr. Kathleen Toomey, Georgia’s Public Health commissioner, told state lawmakers earlier Thursday. 

Weekends with Adele was originally set to run from Jan. 21 to April 16. The singer announced that the Las Vegas residency was postponed due to COVID issues.

While many Japanese adults are fully vaccinated, few have gotten a booster shot, which has been a vital protection from the highly contagious omicron variant.

NBC Sports officials say their plan of covering the Olympics from its Stamford, Conn., facility is a similar strategy used to cover the delayed 2020 Tokyo Summer Olympics last year.

Researchers in the U.K. have the first estimates for how long a third shot of the Pfizer vaccine will last. The findings are mixed.

"This stage of the pandemic is different to what we have dealt with before. Omicron is more transmissible," Prime Minister Jacinda Ardern said.

The prime minister has admitted to throwing "bring your own booze" parties at his official residence in London while ordinary Britons were told to stay away from unnecessary gatherings.

The at-home tests are expected to be delivered by USPS later this month. The White House said the site is in "beta testing" and will be launched formally Wednesday.

The White House's top medical adviser says the virus won't go away entirely. Instead, it should eventually hit a level where it "doesn't disrupt our normal social, economic and other interactions."

Photographer Raphael Alves documented how socioeconomic issues worsen the COVID-19 pandemic in the state of Amazonas, Brazil.