COVID-19 vaccination
Clinical trials for COVID-19 vaccination explained in plain language.
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Community health workers aim to close vaccine gap for chronically ill
Prevention OngoingThis study tests whether community health workers can help adults with chronic illnesses get up-to-date on COVID-19 and flu vaccines. Participants receive up to three counseling sessions in English or Spanish to address their vaccine concerns. The goal is to reduce health dispari…
Matched conditions: COVID-19 VACCINATION
Sponsor: RAND • Aim: Prevention
Last updated Aug 21, 2026 00:00 UTC
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Heart scans after COVID shot: new study aims to uncover hidden risks
Knowledge-focused OngoingThis study looks at 57 people who received a COVID-19 vaccine to understand why some develop heart injury or myocarditis. Researchers use advanced heart scans (PET/MRI) and blood tests to find early warning signs. The goal is to better identify those at risk and improve follow-up…
Matched conditions: COVID-19 VACCINATION
Sponsor: University Health Network, Toronto • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:23 UTC
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Korea launches Post-Market safety study of Pfizer's COVID vaccine
Knowledge-focused OngoingThis study monitors the safety of the Comirnaty (Bretovameran) COVID-19 vaccine in 660 Korean participants aged 12 and older. Researchers will track side effects like injection site reactions and serious adverse events for up to 28 days after each dose. The goal is to identify an…
Matched conditions: COVID-19 VACCINATION
Sponsor: Pfizer • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:11 UTC
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Massive data dive to measure Real-World power of updated COVID shots
Knowledge-focused OngoingThis study looks at how well the yearly updated Pfizer COVID-19 vaccine works in adults and children. Instead of giving anyone the vaccine, researchers will analyze existing insurance claims and state vaccine records. They will compare people who got the vaccine to those who did …
Matched conditions: COVID-19 VACCINATION
Sponsor: Pfizer • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:58 UTC