A rapid influenza diagnostic test (RIDT) can provide a diagnosis of flu within 30 minutes -speeding the delivery of antiviral medication if needed - but studies have shown these tests often give false negative results. A new study, "Sensitivity of Rapid Influenza Diagnostic Testing for Swine-Origin 2009 A (H1N1) Influenza Virus in Children," published in the March issue of Pediatrics (appearing online February 15), examined RIDTs in a large pediatric cohort and found the tests may be more effective at diagnosing influenza in children than in adults...
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