Polio vaccine tested as surprising shield against COVID-19 in africa
NCT ID NCT04445428
First seen Apr 14, 2026 · Last updated Apr 29, 2026 · Updated 2 times
Summary
This study tested whether the oral polio vaccine (OPV) could help protect older adults (over 50) from severe COVID-19. Researchers in Guinea-Bissau gave OPV to some participants and no vaccine to others, then tracked who got sick or died over 6 months. The idea was that OPV might boost the immune system's general defenses, not just against polio. The trial involved 3,729 people and aimed to see if OPV could cut the risk of serious illness or death by at least 28%.
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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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Bandim Health Project
Bissau, Guinea-Bissau
Conditions
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