The Food and Drug Administration’s chief tobacco regulator has been forced out.

The top vaccine official with the Food and Drug Administration has resigned and criticized the nation's top health official for allowing “misinformation and lies” to guide his thinking behind the safety of vaccinations.

Updated COVID-19 vaccines are on their way.

Government advisers say it’s time to update the recipe for the COVID-19 vaccines Americans will receive in the fall.

The Food and Drug Administration meets this week to consider a much-debated treatment for Lou Gehrig’s disease.

New blood donations rules will allow sexually active gay and bisexual men in monogamous relationships to give in the U.S. The Food and Drug Administration guidelines ease decades-old restrictions on blood donations put in place to protect the blood supply from HIV.

Pfizer says its updated COVID-19 booster significantly revved up adults' virus-fighting antibodies.

Pfizer is asking the Food and Drug Administration to expand use of its updated COVID-19 booster shot to children ages 5 to 11.

Advisers to the U.S. government are recommending that COVID-19 booster shots used this fall be modified to better match more recent variants of the coronavirus.

U.S. health authorities are facing a critical decision: whether to offer new COVID-19 booster shots this fall that are modified to better match the latest changes of the shape-shifting coronavirus.

COVID-19 shots for infants, toddlers and preschoolers in the U.S. have moved a step closer.

Parents hoping to get their youngest children vaccinated against COVID-19 have some encouraging news.

U.S. regulators have authorized a COVID-19 vaccine booster for healthy children ages 5 to 11.

Moderna is asking U.S. regulators to open its COVID-19 vaccine to the nation's youngest children.

Americans age 50 and older can get a second COVID-19 booster if it’s been at least four months since their last vaccination.

U.S. regulators are shortening the time that people who received Moderna's COVID-19 vaccine have to wait for a booster — to five months rather than six.

The U.S. is expanding COVID-19 boosters as it confronts the omicron surge.

The U.S. booster campaign is getting a lot simpler now that regulators have opened extra vaccine shots to all adults.

The U.S. is opening COVID-19 vaccine boosters to all adults, and urging them for anyone 50 and older.

Texas Children's Hospital has opened appointments for children ages 5 and up to receive Pfizer’s COVID-19 vaccine beginning Saturday, Nov. 6, pending emergency use authorization and final sign-offs from the FDA, CDC and State next week.

It could take U.S. regulators a few weeks to decide whether to clear COVID-19 vaccines for children ages 5 to 11.

Pfizer has submitted research to the U.S. Food and Drug Administration on the effectiveness of its COVID-19 vaccine in children but the shots may not be available until November.

Pfizer has submitted research to the U.S. Food and Drug Administration on the effectiveness of its COVID-19 vaccine in children as it moves closer to seeking approval for expanded use of the shots.

Pfizer says its COVID-19 vaccine works for children ages 5 to 11.

The Food and Drug Administration’s vaccine chief is pledging to rapidly evaluate COVID-19 vaccines for younger kids — as soon as the studies are in.

Temporary side effects after COVID-19 vaccines are normal and a sign your immune system is revving up.

Johnson & Johnson’s COVID-19 vaccine will remain in limbo for a while longer.

Health authorities are investigating highly unusual blood clots after use of two COVID-19 vaccines, and a rare immune response is the main suspect.

The U.S. recommendation to “pause” use of the single-dose Johnson & Johnson COVID-19 vaccine set off a chain reaction worldwide and dealt a setback to the global vaccine campaign.

(AP Photo/Dmitri Lovetsky)MEXICO CITY — Mexico has received its first shipment of Russia’s Sputnik V COVID-19 vaccine. ___WASHINGTON — The White House now says it expects to catch up by mid-week on deliveries of coronavirus vaccine doses that were delayed by severe weather. AdBeginning March 1, anyone aged 55 to 64 will be allowed to get a COVID-19 vaccine. ___OKLAHOMA CITY — Oklahoma opened its second phase of coronavirus vaccinations on Monday, providing inoculations to public school teachers and staff and to adults of any age with illnesses that make them susceptible to the virus. There have been 419,853 coronavirus cases and 4,203 deaths due to COVID-19 in Oklahoma since the pandemic began, the state health department reported.

Johnson & Johnson asked U.S. regulators Thursday to clear the world’s first single-dose COVID-19 vaccine, an easier-to-use option that could boost scarce supplies. J&J’s vaccine was safe and offered strong protection against moderate to severe COVID-19, according to preliminary results from a massive international study. OTHER OPTIONSIn large U.S. studies, two doses of the Pfizer and Moderna vaccines proved 95% protective against any symptomatic COVID-19. J&J also is studying a two-dose version of its vaccine, but results won’t be available for several more months. THE SUPPLYJ&J said it would have some vaccine ready to ship if the FDA allows emergency use of the shot, but it didn’t reveal how much.