Subject characteristics of infants hospitalized for RSV bronchiolitis with IL1RL1-a measured in nasopharyngeal aspirate.

#Fisher’s exact test.*Mann-Whitney U test.n.a. = not applicable.Analyses were performed in nasopharyngeal aspirates of hospitalized, non-ventilated infants with respiratory syncytial virus (RSV) infection and ventilated infants at the Pediatric Intensive Care Unit with RSV.°Excluded samples of poor quality had too little material to perform genotyping or an IL1RL1-a measurement.