COVID Booster Vaccination Decreases After 3 Months
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COVID-19 vaccines help avoid hospitalizations and deaths, but the levels of antibodies they provide drop significantly within three months, a new study shows.
The study was part of a clinical trial conducted by the National Institutes of Health. It was later published in the journal Cell Reports.
It looked at a variant of the omicron strain of the coronavirus.
To test the theory, researchers administered booster vaccines to COVID-19 to U.S. adults who had previously undergone vaccination. Some participants received the same vaccine as the primary vaccination, while others received a different vaccine. Their immune responses were monitored over a period of time.
The immune response to the omicron strain in all groups significantly weakened, and the level of neutralizing antibodies decreased by 2.4-5.3 times three months after vaccination .
Despite short-term protection, vaccination against coronavirus is essential to maintain the body's immunity to infection.
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