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Evaluation of immunogenicity and reactogenicity of heterologous covid-19 vaccine combination ChAdOx-1S followed by BNT162b2

Phase 4
Recruiting
Conditions
prevention covid
Registration Number
DRKS00025271
Lead Sponsor
niklinik Regensburg Abteilung für Hygiene und Infektiologie
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Recruiting
Sex
All
Target Recruitment
154
Inclusion Criteria

There had been vaccinated 154 HCW of the university clinics of Regensburg an March 15, 2021 with the Astrazeneca vaccine. Everyone who wants to receive the second dose with the vaccine from Biontech is offered the participation in the study.

Exclusion Criteria

First Covid vaccination not with Astrazeneca. contraindication to vaccination with biontech vaccine

Study & Design

Study Type
interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Blood draws before and 4(-6) weeks after the second vaccination with determination of anti-SARS-Cov-2-antiodies in serum by ELISA.<br>A questionnaire will be handed out and collected at date of second blood draw. Side effects of first and second dose will be asked for.
Secondary Outcome Measures
NameTimeMethod
Comparison of antibody titers with those of vaccinees of another study who received the Biontech vaccine twice
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