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COVID-19 Vaccines Safety Tracking (CoVaST)

RecruitingObservational study

COVID-19 Vaccines Safety Tracking: Global Consortium Study

Who can join

Ages 18 and older · All sexes

Full eligibility criteria
Inclusion Criteria:

* HCW, OA and ST who received COVID-19 vaccine.
* Participating subjects should be at least 18-year-old and able to give their informed consent independently.

Exclusion Criteria:

* Non HCW, OA and ST who received the COVID-19.

About the study

This project aims to monitor the side effects of COVID-19 vaccines worldwide actively. The primary objectives of the project include a) to estimate the prevalence of each local and systemic side effect of each COVID-19 vaccine among healthcare workers (HCW), old adults over +65 (OA), and schoolteachers (ST); b) to evaluate the potential demographic and medical risk factors for side effects frequency and intensity; c) to evaluate the long-term consequences of COVID-19 vaccines. The secondary objectives include a) to evaluate the relative safety of COVID-19 vaccines compared to each other; b) to evaluate the impact of palliative drugs used by the recently vaccinated individuals on their short-term side effects resolution.

What is being tested

Sponsor: Masaryk University · Participants: 30,000 · Started: Apr 1, 2021

Contact the study team

Official record on ClinicalTrials.gov — NCT04834869

Locations in the U.S.

PennsylvaniaAmerican College of Physicians, Philadelphia (Not yet recruiting)

Conditions

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.