Hidden immunity: do symptom-free COVID carriers develop antibodies?
NCT ID NCT04348422
First seen Apr 22, 2026 · Last updated May 16, 2026 · Updated 6 times
Summary
This study looked at whether people infected with COVID-19 who never had symptoms still develop antibodies. Researchers tested over 200 patients and their household members to compare immune responses between those with and without symptoms. The goal was to understand if asymptomatic carriers can still spread the virus and how their bodies fight it.
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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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Locations
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Assaf-Harofeh Medical Center
Ramla, 70300, Israel
Conditions
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