A top official at the Food and Drug Administration recently overruled government scientists on the availability of two COVID-19 vaccines.

The Food and Drug administration has approved a new COVID-19 vaccine made by Moderna but with limits on who can use it.

A combination shot for flu and COVID-19 using messenger RNA generated antibodies in a company-funded study.

The U.S. government will pay the vaccine maker Moderna $176 million to accelerate development of a pandemic influenza vaccine.

Asian shares have churned higher after the Dow Jones Industrial Average climbed to another record high.

Americans can now get an updated COVID-19 vaccine.

The next round of COVID-19 vaccines will target one of the latest versions of the coronavirus.

Moderna’s CEO is defending a plan to more than quadruple the company’s COVID-19 vaccine price.

The number of new coronavirus cases and deaths reported globally continued to fall nearly everywhere in the world in what the World Health Organization described as a “welcome decline” at a media briefing on Wednesday.

U.S. regulators have authorized updated COVID-19 boosters, the first to directly target today's most common omicron strain.

Pfizer asked U.S. regulators to approve its combination COVID-19 vaccine that adds protection against the newest omicron strains after the Food and Drug Administration ordered the minds behind the vaccine to tweak their shots.

COVID-19 vaccines tweaked to better match today’s omicron threat are expected to roll out in a few weeks but how much will they help.

Pfizer has asked U.S. regulators to authorize its combination COVID-19 vaccine that adds protection against the newest omicron relatives.

New coronavirus cases reported globally in the last week dropped by nearly a quarter while deaths fell by 6%.

British drug regulators have become the first in the world to authorize an updated version of Moderna’s coronavirus vaccine that includes protection against the omicron variant, which the government said would now be offered to people aged 50 and over in the fall.

U.S. regulators say they are no longer considering authorizing second COVID-19 booster shots for all adults under 50 this summer.

The vaccine site at the Roth Jewish Community Center will be open on Fridays from 10:30 a.m. to 6 p.m., where 200 doses of the Moderna vaccine are set to be available for children 6 months to 5 years old.

COVID-19 booster shots for the fall will be updated to fight off newer omicron types, according to the Food and Drug Administration.

A court ruling is back in effect that blocks President Joe Biden from requiring federal employees to get vaccinated against COVID-19.

Pfizer says tweaking its COVID-19 vaccine to better target the omicron variant is safe and boosts protection.

The nation’s youngest children are getting their chance at vaccines for COVID-19.

An Orlando pediatrician is encouraging parents to get their young children vaccinated against COVID-19 after the U.S. opened the shots to young children on Saturday.

U.S. health officials have opened COVID-19 vaccines for infants, toddlers and preschoolers — the last group without the shots.

Federal regulators capped a work week of productive meetings with COVID-19 vaccine manufacturers by giving final approval on Friday to their lower-dose shots for children younger than 5 years old.

U.S. regulators have authorized the first COVID-19 shots for infants and preschoolers.

A government advisory panel has endorsed a second brand of COVID-19 vaccine for school-age children and teens.

A review by federal health officials says that Pfizer's COVID-19 vaccine appears safe and effective for children under 5, the only group not currently eligible for vaccination.

Next week brings a marathon of hearings as the U.S. decides whether to open COVID-19 vaccinations to kids under 5.

Moderna says its experimental COVID-19 vaccine that combines its original shot with protection against the omicron variant appears to work.

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

U.S. regulators are strictly limiting who can receive Johnson & Johnson’s COVID-19 vaccine due to a rare but serious risk of blood clots.

Pfizer now hopes to tell U.S. regulators how well its COVID-19 vaccine works in the littlest kids by early June.

The Food and Drug Administration has set tentative dates in June to publicly review COVID-19 vaccines for the youngest American children.

More children across the U.S. may soon be able to get a COVID-19 vaccine.

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

Moderna hopes to offer updated COVID-19 boosters in the fall that combine the original vaccine with protection against the latest variant.

Many Americans can now get a second COVID-19 booster, but it’s hard to tell who really needs another shot right now and who could wait.

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

Moderna says it will ask regulators to authorize its COVID-19 vaccine for children under 6 but several hurdles need to be cleared before the shots could become available.

Moderna says its COVID-19 vaccine works in babies, toddlers and preschoolers.

Drugmaker Moderna has asked the Food and Drug Administration to authorize a fourth shot of its COVID-19 vaccine as a booster dose for all adults.

Moderna says it has signed a memorandum of understanding with Kenya’s government for the drugmaker's first mRNA vaccine manufacturing facility in Africa.

Moderna’s COVID-19 vaccine brought in nearly $7 billion in the final quarter of 2021, and the drugmaker says it has signed purchase agreements for another $19 billion in sales this year.

The World Health Organization is creating a global training center to help poorer countries make vaccines, antibodies and cancer treatments using the messenger RNA technology used to make COVID-19 vaccines.

Egypt, Kenya, Nigeria, Senegal, South Africa and Tunisia will be the first African countries to receive the technology required to produce mRNA vaccines on the continent.

The Centers for Disease Control and Prevention has continued its endorsement of Moderna’s COVID-19 vaccine for U.S. adults.

Tokyo has launched a mass inoculation drive for COVID-19 booster shots at a temporary center operated by the military as Japan tries to speed up delayed third jabs to counter surging infections.

Moderna has begun testing an omicron-specific version of its COVID-19 vaccine in healthy adults.

Haiti's health minister says the country is fighting a rise in COVID-19 cases as the government struggles to convince people to get vaccinated.

U.S. officials are loosening rules that call on health care workers to stay out of work for 10 days if they test positive for COVID-19.

Moderna said Monday that a booster dose of its COVID-19 vaccine should offer protection against the rapidly spreading omicron variant.

U.S. health officials say most Americans should get the Pfizer or Moderna vaccines instead of the Johnson & Johnson shot.

Vaccine makers are racing to update their COVID-19 shots against omicron even before it’s clear a change is needed, just in case.

Asian shares are mixed as investors continue to cautiously weigh how much damage the new omicron coronavirus variant may unleash on the global economy.

The drugmaker filed for authorization with the Food and Drug Administration last week, and so did Moderna. Both pharmaceuticals would still need the CDC to sign-off to begin distributing the booster shots.

The NBA has told its players, coaches and referees that they should receive booster shots against the coronavirus, with particular urgency for those who received the single-dose Johnson & Johnson vaccine.

Moderna is scaling back expectations for the number of COVID-19 vaccine deliveries it expects to make this year and the revenue it will record from them.

U.S. regulators are delaying their decision on Moderna’s COVID-19 vaccine for 12- to 17-year-olds while they study the rare risk of heart inflammation.

Moderna says it will make up to 110 million doses of its COVID-19 vaccine available to African countries.

Moderna says its low-dose COVID-19 vaccine is safe and appears to work in 6- to 11-year-olds.

A team of young scientists in South Africa is assembling the equipment needed to reverse engineer Moderna's coronavirus vaccine.

Orange County is prepared to offer three COVID-19 booster shot options at the Barnett Park vaccination site, according to county officials.

Millions more Americans are now eligible for COVID-19 boosters, and they can get a different vaccine than their first shots.

Federal health officials say millions more Americans can get a COVID-19 booster and choose a different vaccine for that next shot.

U.S. regulators are extending COVID-19 boosters to Americans who got the Moderna or Johnson & Johnson vaccine.

Federal regulators are expected to authorize the mixing and matching of COVID-19 booster shots this week.

COVID-19 booster shots are an extra dose of the original vaccine, and some experts wonder why they weren't updated to better match the delta variant.

The Food and Drug Administration panel endorsed Johnson & Johnson’s COVID-19 vaccine booster Friday, a day after they recommended a half-dose booster shot of the Moderna vaccine.

A top U.S. trade official says the Biden administration remains committed to an easing of rules that protect the technology behind coronavirus vaccines so that they can be produced more widely.

A panel of U.S. health advisers has endorsed booster shots for Moderna’s COVID-19 vaccine.

With many Americans who got Pfizer vaccinations already rolling up their sleeves for a booster shot, millions of others who received the Moderna or Johnson & Johnson vaccine wait anxiously to learn when it’s their turn.

The chairman of Moderna says the company has no plans to share the recipe for its COVID-19 vaccine because executives have concluded that scaling up their own production is the best way to increase the global supply.

The United Nations chief says the pandemic has forced more than 100 million people into poverty and left over 4 billion people with little or no social support, health care or income protection.

Pfizer is asking the U.S. government to allow use of its COVID-19 vaccine in children ages 5 to 11.

Scandinavian authorities have suspended or discouraged the use of Moderna’s COVID-19 vaccine in young people because of an increased risk of heart inflammation, a very rare side effect associated with the shot.

The European Union’s drug regulator has given its backing to booster shots of the Pfizer-BioNTech COVID-19 vaccine for people 18 and older.

In a story published September 27, 2021, about vaccine mandates for health care workers, The Associated Press erroneously reported that Dr. Jeff Smith was the CEO of Cedars-Sinai Medical Center.

Millions of Americans are now eligible to receive a Pfizer booster shot to help increase their protection against the worst effects of the coronavirus.

Vietnam is speeding up its vaccination program in an effort to loosen coronavirus lockdown restrictions in major cities by the end of the month.

Africa’s already thin supply of COVID-19 vaccines has taken another significant hit.

The sites will offer Johnson & Johnson Pfizer, and Moderna vaccines in limited quantities but the county said cannot guarantee a specific vaccine will be available.

COVID-19 booster shots may be coming for at least some Americans but there's still important science to be worked out about who really needs them and when.

Moderna submitted data to the U.S. Food and Drug Administration for a booster dose of its COVID-19 vaccine.

The Africa director of the World Health Organization says the continent was able to triple its COVID-19 vaccination rate over the past week, helped by growing numbers of donations of doses from developed countries.

Japan is suspending use of about 1.63 million doses of Moderna vaccine after contamination was found in some unused vials.

Pfizer is seeking U.S. approval of a booster dose of its two-shot COVID-19 vaccine.

Asian shares are gaining, boosted by a near-record rise on Wall Street.

The U.S. has given full approval to the COVID-19 vaccine made by Pfizer.

The U.S. is planning booster doses of the Pfizer and Moderna COVID-19 vaccines, but if you got the one-dose Johnson & Johnson shot instead, stay tuned.

Those who qualify for a third dose will have to sign an attestation form, a Walmart spokesperson said.

Americans at high risk from COVID-19 because of severely weakened immune systems are now allowed to get a third vaccination in hopes of better protection.

Moderna's COVID-19 vaccine shows 93% efficacy up to six months after the second dose.

A top official at the European Medicines Agency says a decision on whether to recommend that Moderna’s COVID-19 vaccine be authorized for children is expected late next week.

As many Asian countries battle their worst surge of COVID-19 infections, the slow flow of vaccine doses from around the world is finally picking up speed, giving hope that inoculation rates can increase and help blunt the effect of the rapidly spreading delta variant.

A new study published in the scientific journal Nature suggests that mRNA vaccines, such as those made by Pfizer and Moderna, may provide long-term protection from COVID-19.

The top health official in Australia's Queensland state is advising adults under age 40 not to take the AstraZeneca coronavirus vaccine because of the risk of a rare blood clotting disorder, even though the Australian government is making those shots available to all adults.

The Food and Drug Administration said it is planning to add a warning to COVID-19 mRNA vaccines about the risk of heart inflammation and chest pain.

Moderna President Dr. Stephen Hoge says his company is working on developing COVID-19 vaccine booster shots while also trying to harness the genetic code technology it helped pioneer to fight other diseases.

How soon vaccines expire is a critical question as the Biden administration prepares to send tens of millions of unused COVID-19 doses abroad to help curb the pandemic.

Moderna says its COVID-19 vaccine strongly protects kids as young as 12.