Effectiveness of mRNA COVID-19 Vaccine Boosters Against Infection, Hospitalization, and Death: A Target Trial Emulation in the Omicron (B.1.1.529) Variant Era | Annals of Internal Medicine

Background: The effectiveness of a third mRNA COVID-19 vaccine dose (booster dose) against the Omicron (B.1.1.529) variant is uncertain, especially in older, high-risk populations. Objective: To determine mRNA booster vaccine effectiveness (VE) against SARS-CoV-2 infection, hospitalization, and death in the Omicron era by booster type, primary vaccine type, time since primary vaccination, age,…

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Source: Annals of Internal Medicine

Categories: Infectious Disease, Latest Headlines

Tags: covid19

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Michael Calderwood, MD, MPH

2/4 Amongst ~1 million veterans in the VA system, booster mRNA #COVID19 vaccination was highly effective in preventing death. https://t.co/aKQkBorzfY

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