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Published on in Vol 15 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/67133, first published .
Differential Factors Associated With the Presence of Persistent Symptoms in Individuals Diagnosed With Long COVID: Protocol for a Longitudinal Matched Case-Control Study

Differential Factors Associated With the Presence of Persistent Symptoms in Individuals Diagnosed With Long COVID: Protocol for a Longitudinal Matched Case-Control Study

Differential Factors Associated With the Presence of Persistent Symptoms in Individuals Diagnosed With Long COVID: Protocol for a Longitudinal Matched Case-Control Study

David Lerma-Irureta   1, 2 , MPH, MD ;   Fátima Méndez-López   3 , MSc, PhD ;   Elena Navarro-Matías   4 ;   Diego Lerma-Puertas   5, 6 , MD, PhD ;   Rosa Magallón-Botaya   1 , MD, PhD

1 Department of Medicine, Psychiatry and Dermatology, University of Zaragoza, Zaragoza, Spain, Zaragoza, Spain

2 Instituto de Investigación Sanitaria Aragón, Zaragoza, Spain

3 Universidad de Zaragoza, Faculty of Health Sciences, Department of Physiatry and Nursery, Zaragoza, Spain

4 Instituto de Investigación Biomédica de Salamanca, Salamanca, Spain

5 Obstetrics Department, Hospital Clínico Universitario Lozano Blesa, Zaragoza, Spain

6 Department of Surgery, Gynecology, and Obstetrics, Universidad de Zaragoza, Zaragoza, Spain

Corresponding Author:

  • Fátima Méndez-López, MSc, PhD
  • Universidad de Zaragoza
  • Faculty of Health Sciences
  • Department of Physiatry and Nursery
  • Facultad de Ciencias de la Salud (Campus San Francisco, cerca de Pedro Cerbuna 12).
  • Zaragoza
  • Spain
  • Phone: 34 976 76 17 19
  • Email: fmendez@unizar.es