Booster battle: which COVID vaccine gives best protection?
NCT ID NCT05057169
First seen May 20, 2026 · Last updated Jun 15, 2026 · Updated 7 times
Summary
This study tested how well a third dose of either the CoronaVac or Comirnaty COVID-19 vaccine boosted immunity in adults who had already received two doses of one of these vaccines at least six months earlier. A total of 451 participants in Hong Kong provided blood samples to measure antibody levels after the booster. The goal was to see which booster strategy produced a stronger immune response.
Disclaimer
Read more
Show less
This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for COVID-19 VACCINATION are added.
By submitting, you agree to our Terms of use
Contacts and locations
Show contact details
Enter your email to view the contact information for this study.
By submitting, you agree to our Terms of use
Locations
-
The University of Hong Kong
Hong Kong, 00000, Hong Kong
Conditions
Explore the condition pages connected to this study.