Beatriz Pérez-Gómez, Roberto Pastor-Barriuso, Nerea Fernández-de-Larrea, Miguel A Hernán, Mayte Pérez-Olmeda, Jesús Oteo-Iglesias, Pablo Fernández-Navarro, Aurora Fernández-García, Mariano Martín, Israel Cruz, José L Sanmartín, José León-Paniagua, Juan F Muñoz-Montalvo, Faustino Blanco, Raquel Yotti, Marina Pollán
Objectives. To describe participant characteristics associated with severe acute respiratory syndrome coronavirus 2 infection in Spain's first 2 COVID-19 waves per the Spanish National Seroepidemiological Survey of SARS-CoV-2 Infection (ENE-COVID). Methods. A representative cohort of the noninstitutionalized Spanish population, selected through stratified 2-stage sampling, answered a questionnaire and received point-of-care testing April to June 2020 (first wave: n = 68 287); previously seronegative participants repeated the questionnaire and test November 2020 (second wave: n = 44 451)...
March 9, 2023: American Journal of Public Health