Immune response against Covid strengthens with more time between jab and infection: Study

Updated: Jan 28 2023 3:48PM

Washington, Jan 28 (PTI) Immunity from COVID-19 appears to gather strength with more time between vaccination and infection, according to a new study.

Researchers from Oregon Health and Science University, US, measured the antibody response in blood samples for a group of people who gained so-called "hybrid immunity" through two means: either vaccination followed by a breakthrough infection, or by getting vaccinated after contracting COVID-19.

They measured the immune response in blood samples of 96 generally healthy OHSU employees and found that the immune response was uniformly stronger the longer the time period between vaccination and infection. The longest interval measured was 404 days.

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