Influenza and other respiratory viruses
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Influenza Other Respi Viruses · Jan 2014
Clinical diagnosis of pandemic A(H1N1) 2009 influenza in children with negative rapid influenza diagnostic test by lymphopenia and lower C-reactive protein levels.
The sensitivity of rapid influenza diagnostic test (RIDT) of children with influenza-like illness (ILI) remains low. ⋯ A combination of a low lymphocyte count and a low CRP level could, in the early disease phase, provide a useful screening for H1N1 children with false-negative RIDT, potentially facilitating differential diagnoses.