Epidemiology of Long Covid - a cross-sectional questionnaire study (EPILOC1)

Epidemiology of Long Covid - a cross-sectional questionnaire study (EPILOC1) - EPILOC I

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00027012

Enrollment

15000

Registered

2022-03-14

Start date

2021-08-22

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

U09.9

Interventions

Group 1: Cross-sectional questionnaire survey 6 to 12 months after acute SARS-CoV-2 infection

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: - SARS-CoV-2 infection between 1.10.2020 through 01.04.2021 - 18 to 65 years old - infection notified to public health department in selected counties in the Federal State of Baden-Württemberg

Exclusion criteria

Exclusion criteria: - Age 65 years old - unconfirmed acute SARS-CoV-2 infection (clinical diagnosis or antigen test w/o PCR confirmation)

Design outcomes

Primary

Measure	Time frame
Persistent health problems 6 to 12 months after acute SARS-CoV-2 infection	—

Secondary

Measure	Time frame
reduced workabality since acute SARS-CoV-2 infection	—

Countries

Germany

Contacts

Public ContactWinfried Kern

Universitätsklinikum Freiburg

EPILOC@uniklinik-freiburg.de004976127018190

Outcome results

None listed

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