Scientists seek 20,000 volunteers to help fight flu and COVID-19

NCT ID NCT05266222

Recruiting now Knowledge-focused Sponsor: National Institute of Allergy and Infectious Diseases (NIAID) Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Aug 07, 2026 · Updated 3 times

Summary

This study aims to collect blood, nose, and saliva samples from up to 20,000 people aged 3 and older who have or may have a respiratory virus infection like flu or COVID-19. The samples will be stored and used in future research to better understand these viruses and how the immune system responds. Participation lasts up to 2 years and may include at-home sample collection kits.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If successful, this study could help researchers develop better vaccines and treatments for respiratory viruses like flu and COVID-19.
What could go wrong: This is an observational study that does not test any treatment. It only collects samples for future research, so there is no direct benefit to participants.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Coronavinae infectious disease COVID-19 influenza viral respiratory tract infection

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

COVID-19 INFLUENZA

Contacts and locations

Locations

NIH Building 33 (NIAID)
RECRUITING

Bethesda, Maryland, 20892, United States
National Institutes of Health Clinical Center
RECRUITING

Bethesda, Maryland, 20892, United States

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