Lower nasal swab and higher nasopharyngeal aspirate samples were compared for RSV immunofluorescence and pain score in infants hospitalised with acute bronchiolitis. The nasal swab procedure was significantly less painful but was negative in approximately one third of RSV positive cases.
- NPA, nasopharyngeal aspirate
- NS, nasal swab
- RSV, respiratory syncytial virus
- respiratory syncytial virus
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Competing interests: none declared