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Study compares decline in effectiveness for Moderna, Pfizer, Janssen vaccines; and mortality consequences
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Study compares decline in effectiveness for Moderna, Pfizer, Janssen vaccines; and mortality consequences

by Public Health Institute  Credit: Pixabay/CC0 Public Domain As COVID-19 breakthrough infections continue to emerge in some vaccine recipients and health authorities are developing policies around booster vaccinations, national data on COVID-19 vaccine breakthrough infections is inadequate but urgently needed. Now a study from the Public Health Institute, the Veterans Affairs Medical Center, and the...