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Rapid painless diagnosis of viral respiratory infection
  1. M Ipp1,
  2. S Carson2,
  3. M Petric3,
  4. P C Parkin1
  1. 1Division of Pediatric Medicine, The Hospital for Sick Children, Toronto, Ontario, Canada
  2. 2Division of Hematology and Oncology, The Hospital for Sick Children
  3. 3Virology Laboratory, DPLM, The Hospital for Sick Children
  1. Correspondence to:
    Dr M Ipp, Division of Pediatric Medicine, Hospital for Sick Children, 555 University Avenue, Toronto, Ontario, Canada, M5G 1X8;


The concordance of nasal compared with nasopharyngeal swabs was assessed for the diagnosis of respiratory viral infections, and the degree of discomfort associated with each procedure was compared. The use of nasal swabs was shown to be as accurate but significantly less painful than nasopharyngeal swabs for virus diagnosis.

  • influenza
  • pain
  • nasal
  • nasopharyngeal
  • ARI, acute respiratory infection
  • DFA, direct immunofluorescence microscopy
  • EIA, enzyme immunoassay
  • LNS, lower nasal swab
  • NPS, high nasopharyngeal swab
  • RSV, respiratory syncytial virus
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