OMICRON

About 34% Americans of all ages had signs of prior infection in December.

“There are people coughing,” she said. “But I have no idea if they have laryngitis or omicron.”

U.S. health officials are beginning to grapple with how to keep the vaccines updated.

Shanghai remained locked down, even when it was supposed to reopen on Friday.

South Korea’s daily average of new COVID-19 cases declined last week for the first time in more than two months, but the number of critically ill patients and deaths will likely continue to rise amid the omicron-driven outbreak, officials said Monday.

Moderna’s COVID-19 vaccine works in babies, toddlers, and preschoolers the company announced Wednesday

Health officials in South Korea have instructed crematories to burn more bodies per day and funeral homes to add more refrigerators.

Drugmaker Pfizer is expected to request authorization this week for an additional COVID-19 booster dose for seniors

Chinese authorities reported 1,337 locally transmitted cases of COVID-19 across dozens of mainland cities Monday as the fast-spreading variant commonly known as “stealth omicron” fuels China’s biggest outbreak in two years.

With COVID-19 case numbers plummeting, Emily Safrin did something she hadn’t done since the pandemic began two years ago: She put her fears aside and went to a concert.