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Immunity clinical trials and research
As of November 12, 2026, Find a Trial lists 3 Immunity clinical trials that are recruiting, at sites in 3 countries (most in Canada (1), United States (1), Australia (1)). By phase: Phase 2 (1). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 3Clinical trials
- 3Countries
Newest Immunity clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Bacillus coagulans SNZ 1969 for immune health in school-aged children | — | London, Ontario | Recruiting | Jan 14, 2026 |
| Bloom Infant Probiotic: Can a probiotic help vaccines work better after early antibiotics? | Phase 2 | Adelaide, South Australia and 1 other locations | Recruiting | Sep 24, 2025 |
| Measuring flu vaccine immunity in COVID-19 patients | — | Palo Alto, California | Recruiting | Oct 8, 2020 |
All recruiting trials (3)
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Bacillus coagulans SNZ 1969 for immune health in school-aged children
This trial will try whether daily Bacillus coagulans SNZ 1969 reduces respiratory and gastrointestinal symptoms and changes immune markers in healthy 6–12-year-old children.
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Bloom Infant Probiotic: Can a probiotic help vaccines work better after early antibiotics?
We’re testing if giving Infloran probiotic to newborns who had antibiotics in the first 28 days helps their vaccines produce stronger antibodies.
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Measuring flu vaccine immunity in COVID-19 patients
This study looks at how well the flu vaccine works in people aged 13 to 64 who have had COVID-19, comparing their immune responses to those who haven't had the virus.
Related topics
Quick answers
How many Immunity clinical trials are recruiting right now?
3, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 3 countries. The most sites are in Canada (1 trial), United States (1 trial), Australia (1 trial). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 2: 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.