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We report here the design of a pyrosequencing approach for the detection of molecular markers of resistance to the neuraminidase inhibitors zanamivir and oseltamivir in influenza viruses of type B. Primers were designed to analyze the sequences at eight amino acid positions E119, R152, D198, I222, S250, H274, R371, and G402 (universal A/N2 numbering) in the neuraminidase (NA) which have been previously...
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