Methodological considerations in the attribution of long COVID to first or second infection – Authors’ reply - 26/02/26
Doi : 10.1016/S1473-3099(25)00776-5
Bingyu Zhang a, b, Qiong Wu a, c, d, Ravi Jhaveri e, Christopher B Forrest f, Yong Chen a, b, c, g, h, i 
a The Center for Health AI and Synthesis of Evidence (CHASE), University of Pennsylvania, Philadelphia, PA 19104, USA
b The Graduate Group in Applied Mathematics and Computational Science, School of Arts and Sciences, University of Pennsylvania, Philadelphia, PA, USA
c Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
d Department of Biostatistics and Health Data Science, University of Pittsburgh, Pittsburgh, PA, USA
e Division of Pediatric Infectious Diseases, Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, IL, USA
f Applied Clinical Research Center, Department of Pediatrics, Children’s Hospital of Philadelphia, Philadelphia, PA, USA
g Leonard Davis Institute of Health Economics, Philadelphia, PA, USA
h Penn Medicine Center for Evidence-based Practice (CEP), Philadelphia, PA, USA
i Penn Institute for Biomedical Informatics (IBI), Philadelphia, PA, USA
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© 2026
Elsevier Ltd. Tous droits réservés.
Vol 26 - N° 3
P. e141 - mars 2026 Retour au numéro
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