Medical Health Cluster


Not Enough Data to Support Multiple Annual COVID Boosters, CDC Advisers Say

(Reuters) – There is not sufficient evidence to recommend more than one COVID-19 booster shot a year for older people and those with weakened immune systems, an expert advisory group to the U.S. Centers for Disease Control and Prevention (CDC) said on Friday. The COVID-19 working group of the CDC’s […]

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Booster Doses Linked With Reduced COVID-Related Mortality in Patients With Multimorbidity

A regimen of three doses of COVID-19 vaccine, compared with two doses, is associated with a greater than 90% decrease in COVID-19-related deaths among patients with multiple chronic conditions, data suggest. Booster vaccination can play a crucial role in protecting vulnerable groups as the pandemic continues to evolve, the study […]

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Effectiveness of a Second COVID-19 Vaccine Booster Dose Against Infection, Hospitalization, or Death Among Nursing Home Residents — 19 States, March 29–July 25, 2022

Summary What is already known about this topic? COVID-19 vaccines have been effective in preventing SARS-CoV-2 infection and associated hospitalizations and deaths among nursing home residents. What is added by this report? In a large cohort of nursing home residents, receipt of a second mRNA COVID-19 booster dose during circulation […]

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Receipt of COVID-19 Booster Dose Among Fully Vaccinated Pregnant Individuals Aged 18 to 49 Years by Key Demographics

Booster doses of COVID-19 vaccines were recommended for people aged 18 years or older in November 2021 following the recommendation of an additional primary dose of COVID-19 vaccine for select immunocompromised populations on August 13, 2021.1 As of February 26, 2022, more than 93 million booster doses of COVID-19 vaccines had […]

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Vaccine Booster Dose Appears to Reduce Omicron Hospitalizations

The COVID-19 mRNA vaccines’ 2-dose primary series appeared to provide less protection against hospitalization from Omicron variant infections than Alpha and Delta infections, according to a recent study. A booster dose, however, was associated with increased effectiveness against Omicron hospitalizations at the same high levels achieved against earlier variants with 2 […]

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COVID-19 Booster Shot Data Now Available From Nursing Homes

The Centers for Medicare & Medicaid Services (CMS) now provides data on COVID-19 vaccine booster shots among residents and staff at nursing homes. The data, which feature both completed vaccination and booster rates for individual facilities, is accessible via the Care Compare website. State and national averages of completed vaccination […]

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FDA to Consider Future of COVID Booster Doses

The FDA today announced its vaccines advisory committee will meet April 6 to discuss the future of COVID-19 booster doses and how to tell if a specific strain of the coronavirus needs its own vaccine. The independent experts on the Vaccines and Related Biological Products Advisory Committee will be joined by representatives […]

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