covid-19 booster

Vaccine advisers to the FDA on Thursday voted unanimously to recommend that new COVID-19 shots for fall tackle the highly prevalent XBB omicron subvariant of SARS-CoV-2.

U.S. adults who have received only the original, monovalent vaccine doses are likely at a disadvantage when it comes to protection against hospitalization, investigators have found.

The CDC does not recommend more than one updated COVID-19 booster shot at this time for adults who have completed their primary series of vaccinations.

The updated vaccine guidance is a response to the omicron era and high levels of population immunity, according to the WHO’s vaccine advisors.

A new report from the Centers for Medicare and Medicare Services reveals that nursing homes continue to fall behind on recommended COVID-19 booster vaccinations — and that includes staff and residents.

Nursing home residents who receive a bivalent COVID-19 mRNA vaccine show signs of substantial immune system response to omicron variants.

Nursing home residents who have received the COVID-19 bivalent booster shot are 30% to 50% less likely to become infected with SARS-CoV-2 than their fellow residents who haven’t gotten boosted, the...

A panel of experts on Thursday agreed that the bivalent COVID-19 vaccines should be used as both initial and booster shots, phasing out the original vaccines.

A booster dose provided at least 3 months of protection against symptomatic XBB and XBB.1.5 infections in seniors who had previously received 2 to 4 monovalent vaccine doses, researchers reported.

In an effort to streamline COVID-19 protection, older adults and others vulnerable to severe disease would receive two annual shots of an updated vaccine, according to a plan to be evaluated on Thursday...