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Index/Topics/Vaccine Antibody Kinetics

Vaccine Antibody Kinetics

The primary topic is about the kinetics of antibodies after vaccine doses, including the differences between the first and second doses, and how prior infection affects these kinetics.

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Jan 15, 2026

How does host antibody kinetics after first vs second vaccine dose affect clearance of circulating viral antigens?

Antibody kinetics after the first (prime) versus second (boost) vaccine dose follow a classic prime–boost pattern: the first dose elicits a slower, lower-magnitude antibody response that begins antige...