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How Long Does Mrna Last In The Body Covid Vaccine. mRNA vaccines do not remain in the body for long periods of time. Once the mRNA has been used to create the viral proteins that stimulate an immune response, it is broken down and eliminated by the body. The mRNA does not integrate into a person’s DNA and does not affect or change a person’s genetic material.
The Pfizer-BioNTech and Moderna COVID-19 mRNA vaccines have been shown to provide strong protection against symptomatic COVID-19 for at least several months. Studies have shown that protection remains high for at least six months after the second dose of these vaccines. However, it’s important to note that the immunity provided by mRNA vaccines may wane over time, and booster doses may be needed to maintain protection.
The duration of immunity provided by COVID-19 vaccines is still being studied and the recommendations for booster shots may change as new information becomes available. The Centers for Disease Control and Prevention (CDC) and the World Health Organization (WHO) will continue to monitor the situation and provide updated guidance as more data become available.
