Emerging Infectious Disease ISSN: 1080-6059

Poor Clinical Sensitivity of Rapid Antigen Test for Influenza A Pandemic (H1N1) 2009 Virus

Jan Felix Drexler, Angelika Helmer, Heike Kirberg, Ulrike Reber, Marcus Panning, Marcel Müller, Katja Höfling, Bertfried Matz, Christian Drosten

, and Anna Maria Eis-Hübinger

Author affiliations: Institute of Virology, Bonn, Germany

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Figure

Influenza A pandemic (H1N1) 2009 virus variant RNA concentrations in rapid test–positive and –negative patients, Germany, 2009. Viral RNA concentration is compared between patients yielding positive and negative results in the BinaxNOW (Inverness Medical, Cologne, Germany) antigen-based rapid test. Boxplots were produced using SPSS, version 13.0 (SPSS, Chicago, IL, USA). The box shows the median and interquartile range (box length). The whiskers represent an extension of the 25th or 75th percent

Figure. Influenza A pandemic (H1N1) 2009 virus variant RNA concentrations in rapid test–positive and –negative patients, Germany, 2009. Viral RNA concentration is compared between patients yielding positive and negative results in the BinaxNOW (Inverness Medical, Cologne, Germany) antigen-based rapid test. Boxplots were produced using SPSS, version 13.0 (SPSS, Chicago, IL, USA). The box shows the median and interquartile range (box length). The whiskers represent an extension of the 25th or 75th percentiles by 1.5 × interquartile range. Data points beyond the whisker range are considered as outliers and marked as crosses.

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