500 kids tracked daily to unlock secrets of winter viruses
NCT ID NCT06640387
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study follows 500 children under 18 who tested positive for flu, RSV, or COVID-19. Each child takes a daily nose swab for 14 days to measure how the virus levels change over time. Researchers also check if family members get sick. The goal is to understand when kids are most contagious and how these viruses spread at home and school, which could lead to smarter quarantine rules.
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 could provide better guidelines on when children with respiratory infections are contagious, helping schools and families reduce spread.
What could go wrong
This is an observational study, not a treatment trial. It won't directly cure or prevent illness, and results may not apply to all settings or future virus strains.
Disclaimer
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This is a summary of
the original study
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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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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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The Hospital for Sick Children (SickKids)
Toronto, Ontario, M5G 1X8, Canada