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Current and Past SARS-CoV-2 Infection and COVID-19 in Healthcare With Regard to Vaccinations

NCT04853004 · Status: ACTIVE_NOT_RECRUITING · Type: OBSERVATIONAL · Enrollment: 10000

Last updated 2025-03-20

No results posted yet for this study

Summary

To investigate the incidence of SARS-CoV-2 infections after vaccination, to monitor the development of SARS-CoV-2 antibody levels after vaccination and to compare this in relation to both previous health \& disease, previous antibody responses and in relation to future disease occurring after vaccination.

Conditions

  • SARS-CoV 2

Interventions

DIAGNOSTIC_TEST

SARS-CoV2 antibody measurement

Blood samples for serology, collected immediately prior to and five to ten weeks after vaccination against SARS-CoV2, to be analyzed for the presence of SARS-CoV-2 antibodies.

Sponsors & Collaborators

Principal Investigators

  • Joakim Dillner, MD, PhD · Karolinska Institutet

Eligibility

Min Age
18 Years
Max Age
99 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2021-04-01
Primary Completion
2023-03-31
Completion
2025-12-31

Countries

  • Sweden

Study Locations

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Entities

Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04853004 on ClinicalTrials.gov