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The adaptive immunity and the incidence of SARS-CoV-2 infection in employees with occupational risk of infection taking into account physical fitness

The adaptive immunity and the incidence of SARS-CoV-2 infection in employees with occupational risk of infection taking into account physical fitness - KALI-Studie

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
DRKS
Registry ID
DRKS00034779
Enrollment
1000
Registered
2024-07-29
Start date
2024-08-01
Completion date
Unknown
Last updated
2025-10-06

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

Conditions

U07.1

Interventions

Group 1: The population was defined as the population subject to social insurance contributions in Germany aged 18 and over (n=300-1000) working in critical infrastructure facilities and companies in

Sponsors

Betriebsärztlicher Dienst Universitätsklinikum Bonn
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Employees are recruited who are exposed to a high risk of infection with relevant SARS-CoV-2 variants due to their professional activities in facilities and have been immunized.

Exclusion criteria

Exclusion criteria: Non aplicable.

Design outcomes

Primary

MeasureTime frame
a. Humoral and cellular immunity: n=30: SARS-CoV-2-S1-specific B and T memory cells 1. n=300-1000 plaque reduction neutralization test 2. anti-spike IgG-AK 2. anti-nucleocapsid IgG-AK 3. saliva anti-spike IgG-AK

Secondary

MeasureTime frame
b. Incidence of SARS-CoV-2 infections using qualitative questionnaires Uniklinik Bonn c. Qualitative determination of the physical activity of the test subjects using a questionnaire -Freiburg Questionnaire on Physical Activity d. Quantitative determination of physical activity using bicycle ergometry: power output, heart rate, blood pressure

Countries

Germany

Contacts

Public ContactWerner Monzón Posadas

VIR-IMMUNE Präventionsforschung

Info@vir-immune.de+4922241231804

Outcome results

None listed

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