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More recent vaccine stories


A nurse waits for patients at a pop-up COVID-19 vaccination clinic at a high school in Albuquerque, N.M., on Aug. 20, 2021.

US communities want to share unused vaccines with Mexico, but the White House won’t let them

For months, health officials and hospital executives in Southern California watched as coronavirus vaccines neared their expiration dates unused while demand for doses waned. A small group around San Diego had an idea: It would donate thousands of shots to Mexico. But as the plan was readied, it was blocked by the White House Vaccine Task Force. The doses were instead discarded.

Colin Sweeney, 12, gets a shot of the Pfizer COVID-19 vaccine as his mother Nicole pats his shoulder at the First Baptist Church of Pasadena in Pasadena, Calif.

Pfizer says COVID-19 vaccine more than 90% effective in kids

Child-size doses of Pfizer’s COVID-19 vaccine appear safe and nearly 91% effective at preventing symptomatic infections in 5- to 11-year-olds, according to study details released Friday as the US considers opening vaccinations to that age group.

Vials of the Moderna and Pfizer COVID-19 vaccines are displayed on a tray at a clinic.

CDC expands booster rollout, OK’s mixing shots

Millions more Americans can get a COVID-19 booster and choose a different company’s vaccine for that next shot, federal health officials said Thursday.

A student looks back at his mother as he is vaccinated at a school-based COVID-19 vaccination clinic for students 12 and older in San Pedro, Calif. California health officials are making plans to begin giving booster shots for older people along with vaccinations for kids under 12.

California officials prepare to vaccinate children age 5-11

Public health departments across California are gearing up to administer coronavirus vaccines to children ages 5 to 11 in the coming weeks and officials say they are planning “family-friendly” events — including at schools — to convince parents and guardians to get their kids vaccinated.

In this May 7, 2020 file photo, a pregnant woman wearing a face mask and gloves holds her belly as she waits in line for groceries at St. Mary's Church in Waltham.

Four things to know about the new Boston-based research on COVID-19 and pregnant women

Two new local studies looked at pregnant women who had COVID-19 or who received vaccinations. Some of the findings were surprising, STAT News reported. Here are the key takeaways.

Empty vials of Johnson & Johnson's one-dose COVID-19 vaccine at a mobile vaccination site in Uniondale, N.Y.

Expert panel takes up complicated COVID-19 booster questions

Influential government advisers are deciding Thursday how best to expand the nation’s COVID-19 booster campaign, including whether and when it’s OK to “mix and match” brands for the extra dose.

A nurse prepares a dose of the Pfizer COVID-19 vaccine at a mobile vaccination clinic in McMinnville, Ore., on Oct. 6, 2021.

Unvaccinated Oregon workers who had COVID-19 argued they don’t need a vaccine. A judge denied their request

An Oregon federal judge has denied an emergency motion brought by seven unvaccinated workers who sought to block the state's vaccine mandate or create an exemption for people like themselves who already had the virus and argue they do not need to be vaccinated.

Elizabeth Gillander, 78, receives a booster shot of the Pfizer-BioNTech COVID-19 vaccine at a mobile clinic set up at Fircrest Senior Living in McMinnville, Ore., on Wednesday, Oct. 6, 2021.

Pfizer, BioNTech say booster shot restores full COVID protection

Pfizer Inc. and BioNTech SE said a booster shot of their COVID-19 vaccine restored full protection in a large study, results that are likely to bolster the argument for giving a third dose more widely.