Patients who receive a COVID-19 booster shot after having completed the first one- or two-dose regimen of the vaccine have roughly 4 months before protection from that shot starts to wane, according to the latest information from the Centers for Disease Control and Prevention. The latest COVID-19 information from the Centers for Disease Control and Prevention. An Early Release article published by Morbidity and Mortality Weekly Report notes specifically that “Vaccine effectiveness (VE) against COVID-19–associated …
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