VaccineEffectiveness
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Understanding How the COVID Vaccine Works
Types of COVID Vaccines There are currently three types of COVID-19 vaccines that have been authorized for emergency use by the World Health Organization (WHO) and various regulatory bodies around the world: mRNA vaccines: These vaccines, including Pfizer-BioNTech and Moderna, use a small piece of the genetic material (mRNA) of the virus to trigger an immune response. Once injected, the…
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How Long After Having COVID Can You Get the Booster?
Understanding COVID-19 Vaccination Guidelines COVID-19 vaccination guidelines are updated regularly by health authorities, including the Centers for Disease Control and Prevention (CDC) in the United States. These guidelines provide recommendations on who should get vaccinated, when they should get vaccinated, and which vaccine they should receive. For individuals who have previously had COVID-19, the CDC recommends getting vaccinated as soon…
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