Article
Missed diagnosis of influenza B virus due to nucleoprotein sequence mutations, Singapore, April 2011.
Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin - 18 Aug 2011
Lee H K, Lee C K, Loh T P, Chiang D, Koay E S, Tang J W
Abstract excerpt
A new influenza B variant was discovered in Singapore in April 2011 during diagnostic testing of a 3-year-old boy with respiratory symptoms. Influenza B virus was isolated from culture and confirmed by standard immunofluorescence testing, but was not detected by the routine, in-house influenza screening reverse-transcription polymerase chain reaction assay that targets the nucleoprotein (NP) gene. Subsequent...
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