SARS-CoV-2-IgG-titer of antibodies in helathcare workers after recovery or vaccination

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00026288

Enrollment

800

Registered

2021-09-29

Start date

2021-09-20

Completion date

Unknown

Last updated

2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

U07.1 COVID-19

Interventions

Group 1: 1. Letter to all employees of Diakoniewerk Gelsenkirchen via Corona Newsletter with invitation to antibody determination 2. Clarification, questionnaire and blodd sampling from 20.09.21 to

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Vaccination against SARS-CoV-2 or recovery after infection with SARS-CoV-2

Exclusion criteria

Exclusion criteria: neither vaccinated nor recovered employees

Design outcomes

Primary

Measure	Time frame
Level of antibody titer in dependence of duration of vaccination	—

Secondary

Measure	Time frame
Other influencing factors: Vaccine type, sex, age, infection with SARS-CoV-2, side effects after vaccination	—

Countries

Germany

Contacts

Public ContactEfthimia Balamitsa

Evangelische Kliniken Gelsenkirchen

balamitsa@evk-ge.de+49 209 160 51957

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026