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- Title
Diagnosis of 2009 pandemic influenza A (pH1N1) and seasonal influenza using rapid influenza antigen tests, San Antonio, Texas, April-June 2009.
- Authors
Lucas, Pauline M; Morgan, Oliver W; Gibbons, Thomas F; Guerrero, Alicia C; Maupin, Genny M; Butler, Jenny L; Canas, Linda C; Fonseca, Vincent P; Olsen, Sonja J; MacIntosh, Victor H
- Abstract
Clinicians frequently use influenza rapid antigen tests for diagnostic testing. We tested nasal wash samples from 1 April to 7 June 2009 from 1538 patients using the QuickVue Influenza A+B (Quidel) rapid influenza antigen test and compared the results with real-time reverse transcription polymerase chain reaction (rRT-PCR) assay (gold standard). The prevalence of 2009 pandemic influenza A (pH1N1) was 1.98%, seasonal influenza type A .87%, and seasonal influenza type B 2.07%. The sensitivity and specificity of the rapid test for pH1N1 was 20% (95% CI, 8-39) and 99% (95% CI, 98-99), for seasonal influenza type A 15% (95% CI, 2-45) and 99% (95% CI, 98-99), and for influenza type B was 31% (95% CI, 9-61) and 99% (95% CI, 98-99.7). Rapid influenza antigen tests were of limited use at a time when the prevalence of pH1N1 and seasonal influenza in the United States was low. Clinicians should instead rely on clinical impression and laboratory diagnosis by rRT-PCR.
- Publication
Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 2011, Vol 52 Suppl 1, pS116
- ISSN
1537-6591
- Publication type
Journal Article
- DOI
10.1093/cid/ciq027