How much of a boost do ‘booster’ COVID-19 jabs give?

Scientists have found the "booster" COVID-19 vaccine program led to a large boost in the antibodies that help protect against coronavirus. High levels of antibodies is associated with lower risk of severe infection.
Scientists have found the «booster» COVID-19 vaccine program led to a large boost in the antibodies that help protect against coronavirus. High levels of antibodies is associated with lower risk of severe infection.