DEFEnse Against COVID-19 STudy – Looking forward: DEFEAT Corona

Conditions

Comorbidities, social participation U07.4 U07.3 Z73 G93.3

Marie Mikuteit, Dominik Schröder, Jacqueline Niewolik, Frank Klawonn, Chantal Degen et al. (9 authors)

BMC Infectious Diseases2026-08-19

10.1186/s12879-026-14252-z

Impact of post-exertional malaise frequency and fatigue in Long COVID patients on health-related quality of life

Theresa Thölking, Frank Müller, Tim Riester, Viktoria Lampe, Lena-Marie Theil et al. (13 authors)

Health and Quality of Life Outcomes2026-05-11

10.1186/s12955-026-02523-x

Improvement in quality of life and cognitive function in Post-COVID syndrome after online occupational therapy: Results from a randomized controlled pilot study

Dominik Schröder, Andrea Stölting, Christina Müllenmeister, Georg M. N. Behrens, Sandra Klawitter et al. (13 authors)

PLoS ONE2025-05-201 citations

10.1371/journal.pone.0312714

How do people with long COVID utilize COVID-19 vaccination and rehabilitation services and what are their experiences with these services? results of a qualitative study with 48 participants from Germany

Tim Schmachtenberg, Gloria Königs, Sascha Roder, Frank Müller, Christina Müllenmeister et al. (7 authors)

BMC Public Health2024-03-283 citations

10.1186/s12889-024-18380-6

Association of long COVID with health-related Quality of Life and Social Participation in Germany: Finding from an online-based cross-sectional survey

Dominik Schröder, Stephanie Heinemann, Gloria Heesen, Eva Hummers, Tim Schmachtenberg et al. (13 authors)

Heliyon2024-02-017 citations

10.1016/j.heliyon.2024.e26130

"There is no one who helps you with it": experiences of people with long COVID regarding medical care, therapeutic measures, and barriers in the German healthcare system: results of a qualitative study with four focus groups.

Schmachtenberg T, Königs G, Dragaqina A, Roder S, Müller F, Müllenmeister C, Schröder D, Dopfer-Jablonka A, Vieth K, El-Sayed I.

2023-10-2625 citations

10.1186/s12913-023-10170-x

How do long COVID patients perceive their current life situation and occupational perspective? Results of a qualitative interview study in Germany

Tim Schmachtenberg, Frank Müller, Jennifer Kranz, Anita Dragaqina, Greta Wegener et al. (7 authors)

Frontiers in Public Health2023-03-0941 citations

10.3389/fpubh.2023.1155193

Long-term Consequences of COVID-19 and the Pandemic: Protocol for a Web-Based, Longitudinal Observational Study (DEFEAT)

Marie Mikuteit, Stephanie Heinemann, Sascha Roder, Jacqueline Niewolik, Dominik Schröder et al. (15 authors)

JMIR Research Protocols2022-08-1824 citations

10.2196/38718

Interventions

Group 1: 1. Inquiry 09/21: Basis survey (Health status, quality of life) possibly contacting (with prior consent) for an invitation to a long COVID consultation or examinations at Hannover medical Sc

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Prior COVID Infection (control group: no COVID infection), above 18 years old, able to consent

Exclusion criteria

Exclusion criteria: Age under 18 years, unable to consent

Design outcomes

Primary

Measure	Time frame
Identification of different Long COVID subgroups through symptom cluster analysis	—

Secondary

Measure	Time frame
How does subjective health and social participation present before and with the disease	—

Countries

Germany

Outcome results

None listed