Scientific Data

A multicenter COVID-19 database from four waves in the south metropolitan area of Barcelona, Catalonia

• N. Pallarès
• J. Carmezim
• A. Rodríguez-Molinero
• A. Coloma
• E. Izquierdo
• V. Díaz-Brito
• S. Videla
• J. Carratalà
• G. Gómez-Melis
• C. Tebé

2026-05-29

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DOI https://doi.org/10.1038/s41597-026-07479-7