Which flu shot works best for seniors? hong kong study seeks answers
NCT ID NCT03330132
First seen May 24, 2026 · Last updated Jun 18, 2026 · Updated 7 times
Summary
This study tested different flu vaccines in 1,861 adults aged 65-82 in Hong Kong to see which type or combination of vaccines gives the strongest and longest immune protection. Participants received either standard, high-dose, adjuvanted, or recombinant flu vaccines each year for four years. The goal was to find the best annual vaccination strategy for older adults in subtropical regions.
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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.
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Contacts and locations
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Locations
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The University of Hong Kong
Hong Kong, China
Conditions
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