RNA viral loads of SARS-CoV-2 Alpha and Delta variants in nasopharyngeal specimens at diagnosis stratified by age, clinical presentation and vaccination status

Affiliations

• ¹ Department of Microbiology, Microbiology Service, Clinic University Hospital, INCLIVA Health Research Institute, University of Valencia, Av. Blasco Ibáñez 17, Valencia 46010, Spain.
• ² CIBER in Epidemiology and Public Health Spain; Joint Research Unit "Infection and Public Health" FISABIO-University of Valencia Valencia Spain; Institute for Integrative Systems Biology (I2SysBio), CSIC-University of Valencia, Valencia, Spain.
• ³ Department of Pediatrics, Hospital Clínico Universitario, Valencia, Spain; Department of Pediatrics, University of Valencia, Valencia, Spain.
• ⁴ Department of Microbiology, Microbiology Service, Clinic University Hospital, INCLIVA Health Research Institute, University of Valencia, Av. Blasco Ibáñez 17, Valencia 46010, Spain; Department of Microbiology, School of Medicine, University of Valencia, Valencia, Spain. Electronic address: david.navarro@uv.es.