COVID-19 booster shot may be effective against omicron BA.2 variant, study shows

The study found that after a booster vaccination, levels of antibodies in the blood that could bind to and neutralize a new omicron variant increased substantially.

Appeals court OKs Biden's federal employee COVID-19 vaccine mandate

In a 2-1 ruling, a panel of the 5th Circuit Court of Appeals in New Orleans reversed a lower court and ordered dismissal of a lawsuit challenging the mandate.

Man gets 90 COVID-19 shots to sell forged vaccine passes

The 60-year-old was caught at a vaccination center in Germany when he showed up for a COVID-19 shot for the second day in a row.

COVID-19 vaccine second booster: Who needs one and when?

The Food and Drug Administration authorized a second COVID-19 booster for many Americans. Here's a look at who is eligible and when to get it.

Biden seeks more COVID-19 funds from Congress, receives 2nd booster

President Joe Biden received his second COVID-19 booster while asking Congress for more funding and rolling out a new website.

FDA approves 2nd COVID-19 vaccine booster for those 50 and older

U.S. regulators are allowing people 50 and older to get another booster dose of the Pfizer or Moderna COVID-19 vaccine.

Moderna says its low-dose COVID shots work for kids under 6; will seek federal approval

Moderna’s COVID-19 vaccine works in babies, toddlers and preschoolers the company announced Wednesday -- and if regulators agree it could mean a chance to finally start vaccinating the littlest kids by summer.

Moderna seeks FDA authorization for 4th dose of COVID shot

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

Yankees slugger Aaron Judge won't say if he's vaccinated

Yankees star Aaron Judge refused to directly answer a question about his vaccine status Tuesday amid a requirement in New York City that every private sector employee be inoculated against the coronavirus.

Pfizer seeks approval for 4th COVID-19 booster dose for seniors

Pfizer is expected to request authorization for a fourth COVID-19 vaccine dose for seniors in a move to provide extra protection to the over-65 population that has been hit hardest by the pandemic.

Pfizer: 4th COVID-19 vaccine dose will be needed

“Right now, the way that we have seen, it is necessary, a fourth booster right now,” Pfizer’s CEO Albert Bourla said.

WHO says COVID-19 boosters are needed, reversing previous guidance

An expert group convened by the World Health Organization said it “strongly supports urgent and broad access” to coronavirus vaccines, including booster doses.

Exercise after COVID-19 vaccine may increase antibodies, study finds

The study demonstrates that 90 minutes of exercise after immunization of the COVID-19 vaccine increases antibody response several weeks later.

Pfizer shot offers nearly no protection against infection in 5- to 11-year-olds

Pfizer's COVID-19 vaccine is effective at preventing hospitalization in children 5 to 11 but offers virtually no protection against infection, even just a month after full immunization.

LA County allows businesses to make indoor masking optional for vaccinated customers

Establishments, businesses, and venues now have the option to allow fully vaccinated customers and workers to unmask indoors if they can provide proof of full vaccination against COVID-19.

Disney World to make face masks optional for fully vaccinated guests

Walt Disney World will no longer require face coverings for fully vaccinated guests in both outdoor and indoor locations starting Feb. 17.

AstraZeneca acquires 'modest' profit of $4B from COVID-19 vaccine sales

The Anglo-Swedish drugmaker said in November it would begin to take a “modest” profit from the COVID-19 shot, which it had been providing “at cost.”