COVID-19 VACCINATION

Clinical trials for COVID-19 VACCINATION explained in plain language.

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Trials to join now! 1 Not yet recruiting 1 Not yet finished but already full! 3 Completed 1

Booster battle: which COVID-19 vaccine boosts immunity best?

⭐️ VACCINE ⭐️ Completed

This study tested whether a third dose of either the CoronaVac or Comirnaty vaccine boosts immunity better in adults who had two prior doses at least six months earlier. Researchers measured antibody levels in 451 participants from Hong Kong 28 days after the booster. The goal wa…

Matched conditions: COVID-19 VACCINATION

Phase: PHASE4 • Sponsor: The University of Hong Kong • Aim: ⭐️ VACCINE ⭐️

Last updated Jun 27, 2026 12:33 UTC

COVID-19 VACCINATION

Get alerted when new COVID-19 VACCINATION trials appear

Booster battle: which COVID-19 vaccine boosts immunity best?