By MICHAEL BALSAMO and ZEKE MILLER Associated Press WASHINGTON (AP) — A person in California who had been vaccinated against COVID-19 became the first in the U.S. to have an identified case of the omicron variant, the White House announced Wednesday as scientists continue to study the ...

WASHINGTON (AP) — President Joe Biden called the new coronavirus variant omicron a cause for concern but "not a cause for panic" Monday and said he was not considering any widespread U.S. lockdown. He urged Americans anew to get fully vaccinated, including booster shots, and return to face ...

BRUSSELS (AP) — Nearly two years into the COVID-19 pandemic, the world raced Friday to contain a new coronavirus variant potentially more dangerous than the one that has fueled relentless waves of infection on nearly every continent. A World Health Organization panel named the variant ...

WASHINGTON (AP) — The U.S. on Friday opened COVID-19 booster shots to all adults and took the extra step of urging people 50 and older to seek one, aiming to ward off a winter surge as coronavirus cases rise even before millions of Americans travel for the holidays. Until now, Americans ...

Pfizer said Monday its COVID-19 vaccine works for children ages 5 to 11 and that it will seek U.S. authorization for this age group soon — a key step toward beginning vaccinations for youngsters. The vaccine made by Pfizer and its German partner BioNTech already is available for anyone 12 ...

HARRISBURG(AP) — Pennsylvania is lifting its mask mandate no later than June 28. The Department of Health announced Thursday that it will no longer require unvaccinated people to wear masks in public on June 28 or once 70% of adults are fully vaccinated, whichever comes first. People are ...