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Genetic variability in the hemagglutinin (HA1) and the neuraminidase (NA) genes of influenza viruses results in the emergence of new strains which differ in pathogenicity and severity. The present study was undertaken for genotypic characterization of the HA1 and NA genes of the influenza A(H3N2) strains, detected during the 2011–2013. A total of fifty five influenza A(H3N2) positive samples [2011...
The pandemic H1N1 strain of Influenza A virus [A(H1N1)pdm09] is now well adapted in human populations. However, it is still causing sporadic outbreaks worldwide with different severity. The present study was planned to understand the genetic diversity (based on the HA1 gene) of influenza A(H1N1)pdm09 strains circulating during the post pandemic period. The HA1 gene was selected because the HA1 protein...
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