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COVID-19 vaccine waning and effectiveness and side-effects of boosters: a prospective community study from the ZOE COVID Study - The Lancet Infectious Diseases
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Novel Coronavirus - COVID-19 Vaccine Information - For the Public | Iowa Department of Health and Human Services
CDC - Side effects after getting your COVID-19 vaccine are normal and a sign your body is building protection. They should go away in a few days. Compared to vaccine side effects,
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Side Effects of Pfizer Booster Shots Similar to First Two Doses - Southern Iowa Mental Health Center
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Safety Monitoring of COVID-19 Vaccine Booster Doses Among Persons Aged 12–17 Years — United States, December 9, 2021–February 20, 2022 | MMWR
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