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Influenza Vaccines clinical trials and research
As of November 12, 2026, Find a Trial lists 2 Influenza Vaccines clinical trials that are recruiting, at sites in 2 countries (most in United States (1), Taiwan (1)). By phase: Phase 4 (1). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 2Clinical trials
- 2Countries
All recruiting trials (2)
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FluMist versus injected flu shot: immune responses in the nose and lungs of young adults
This trial will see if the FluMist nasal vaccine causes different immune responses in the blood, nose, and lungs than the standard injected flu shot in healthy adults aged 18 to 40.
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Adjuvanted vs non-adjuvanted flu vaccine in older adults with chronic conditions
This test tries to see if an adjuvanted flu vaccine gives stronger immune protection and similar safety compared with a standard flu shot in people 65 and older who have chronic medical conditions.
Related topics
Quick answers
How many Influenza Vaccines clinical trials are recruiting right now?
2, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 2 countries. The most sites are in United States (1 trial), Taiwan (1 trial). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 4: 1. Trials with no phase listed are usually device, behavioural or observational studies.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.