Vaccination News

CDC researchers found that vaccination with a bivalent messenger RNA booster was effective against the XBB.1.5 subvariant of SARS-CoV-2.

Pregnant women with COVID-19, especially those with symptomatic disease and those who were not vaccinated, had worse pregnancy outcomes during the omicron wave of the pandemic, according to data published in The Lancet.

COVID-19 has become a leading cause of death among children and teens in the United States, according to study findings published in JAMA Network Open.

COVID-19 outbreaks in nursing homes throughout the last 6 months of 2021 were largely caused by the delta variant, although researchers found that COVID-19 vaccination offered significant protection against infection and death to residents.

An FDA advisory committee voted unanimously Thursday in favor of a plan to streamline and simplify COVID-19 vaccine compositions in the United States by replacing initial, primary doses with the bivalent vaccines currently used as boosters.

The CDC for the first time has estimated how effective the bivalent COVID-19 vaccines have been against the newest dominant omicron subvariant of SARS-CoV-2.

Nearly 19 million adults in the United States may have long COVID, with some individuals reporting symptoms more than 1 year following their infection, according to results of a population-based study.

Children were twice as likely as adults to test positive for influenza and more likely to be hospitalized for influenza this season, according to data published in MMWR.

A survey of U.S. adults who are vaccinated against COVID-19 found that many of them have not received a bivalent booster shot because they either do not know they are eligible for one or are unaware the shots exist.

Moderna announced Tuesday that its RNA-based respiratory syncytial virus vaccine has met primary endpoints in a phase 3 trial showing that the vaccine is both safe and highly effective in older adults.