Unknown OBSERVATIONAL NCT04848441

Risk of COVID-19 Infection After Vaccination

Risk of COVID-19 Infection After Vaccination: A Nationwide Study Comparing BNT162b2, mRNA-1273 and ChAdOx1

Sponsor: Umeå University

Conditions Covid19 Vaccination; Infection

Interventions The COVID-19 vaccines BNT162b2, mRNA-1273 and ChAdOx1

Updated 4 times since 2021 Last updated: Apr 16, 2021 Started: May 1, 2021 Primary completion: Aug 1, 2021 Completion: Aug 1, 2021

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This observational or N/A phase trial investigates Covid19 and Vaccination; Infection and is currently ongoing. Umeå University leads this study, which shows 4 recorded versions since 2021 — indicating limited longitudinal coverage. Longitudinal tracking of infectious disease trials helps identify durability of treatment effects.

Status Flow

Change History

4 versions recorded

Sep 2024 — Present [monthly]

Unknown
Jul 2024 — Sep 2024 [monthly]

Unknown

Status: Unknown Status → Unknown
May 2023 — Jul 2024 [monthly]

Unknown Status

Status: Not Yet Recruiting → Unknown Status
May 2021 — May 2023 [monthly]

Not Yet Recruiting

First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Umeå University

Data source: Umeå University

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

No location information available.