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Pediatr Infect Dis J. 2010 Apr;29(4):366-7. doi: 10.1097/INF.0b013e3181c6f05c.

Clinical performance of a rapid influenza test and comparison of nasal versus throat swabs to detect 2009 pandemic influenza A (H1N1) infection in Thai children.

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  • 1Queen Sirikit National Institute of Child Health Department of Medical Service, Ministry of Public Health, Bangkok, Thailand.


We identified febrile pediatric outpatients seeking care for influenza like illness in Bangkok. Two nasal and 1 throat swab were tested using the QuickVue A+B rapid influenza kit and reverse transcription-polymerase chain reaction. Among 142 pandemic influenza A (H1N1)-positive patients, the QuickVue test identified 89 positive tests for a sensitivity of 62.7% (95% confidence interval [CI]: 54.7-70.6). Specificity was 99.2% (95% CI: 98-100). In the 0 to 2 years age group, sensitivity was 76.7% (95% CI: 61.5-91.8). Throat and nasal swabs are equally useful diagnostic specimens for reverse transcription-polymerase chain reaction diagnosis.

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