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The 2014–2015 influenza season in Belgium was dominated by the circulation of 2 influenza A(H3N2) subgroups: 3C.2a and 3C.3b. Analysis of 166 nasopharyngeal aspirates, collected in patients with respiratory illness at the start of the epidemic season, showed a decreased sensitivity for the detection of influenza A(H3N2)/3C.2a using a commercially available multiplex assay. Gene sequencing of the matrix...
HIV-1 integrase (IN) is an essential enzyme for viral infection. Here, we report an extensive π electron orbital interaction between four amino acids, W132, M178, F181 and F185, located at the dimeric interface of IN that is critical for the strand transfer activity alone. Catalysis of nine different mutant IN proteins at these positions were evaluated. Whereas the 3′-processing activity is predominantly...
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