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4,200 koreans monitored for vaccine side effects in real-world study

NCT ID NCT06333704

Ongoing Knowledge-focused Sponsor: ModernaTX, Inc. Source: ClinicalTrials.gov ↗

First seen Apr 23, 2026 · Last updated Apr 29, 2026 · Updated 2 times

Summary

This study is tracking over 4,200 people in South Korea who received Moderna's SPIKEVAX COVID-19 vaccines to see if any side effects occur over time. The goal is to understand the long-term safety of these vaccines when used in routine medical care. Participants are aged 12 or older, depending on the vaccine version.

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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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Contacts and locations

Locations

  • Bupyeong Yonsei Medical Clinic

    Incheon, 21405, South Korea

  • COA ENT Clinic

    Goyang-si, Gyeonggi-do, 10234, South Korea

  • Dr Cho's Family Medical Clinic

    Seoul, 05351, South Korea

  • GF Pediatrics Clinic

    Seoul, 06568, South Korea

  • Gangseo HANA ENT

    Seoul, 07774, South Korea

  • Hanyang Union Rehabilitation Medicine Clinic

    Yangju, Gyeonggi-do, 11404, South Korea

  • Hyundai Clinic

    Bucheon-si, Gyeonggi-do, 14483, South Korea

  • Inha University Hospital

    Incheon, 22332, South Korea

  • Janghyeon Medicine Clinic

    Namyangju, Gyeonggi-do, 14998, South Korea

  • Jeong's Family Medical Clinic

    Siheung, Gyeonggi-do, 15065, South Korea

  • Joon Pediatric Clinic

    Gwangmyeong, Gyeonggi-do, 14250, South Korea

  • Kim Il Joong Internal Medicine Clinic

    Seoul, 06727, South Korea

  • Kim's Pediatrics Clinic

    Seoul, 08652, South Korea

  • KimHyungjoo Clinic

    Yangju, Gyeonggi-do, 11456, South Korea

  • Kium Children Hospital

    Gunsan, Jeollabuk-do, 54072, South Korea

  • Ma Hak ki Family Medicine Clinic

    Bucheon-si, Gyeonggi-do, 14614, South Korea

  • Nalee Hospital

    Gimpo-si, Gyeonggi-do, 10108, South Korea

  • New Yonsei ENT Clinic

    Seoul, 07327, South Korea

  • Seoul Bon Clinic

    Seoul, 04032, South Korea

  • Sinsegie ENT Clinic

    Busan, 48111, South Korea

  • Songpa Korea Neurosurgical Clinic

    Seoul, 05769, South Korea

  • Soo Orthopedics Clinic

    Seoul, 08701, South Korea

  • Star Pediatrics Clinic

    Seoul, 03912, South Korea

  • Woori Medical Clinic

    Seoul, 01684, South Korea

  • Yonsei Kids Pediatrics Clinic

    Seoul, 01851, South Korea

  • Yonseimin Clinic

    Wŏnju, Gangwon-do, 26428, South Korea

Conditions

Explore the condition pages connected to this study.

SARS-COV-2