Five new Tamiflu resistant cases reported in the UK since last week. Two of them in Scotland. That's 22% of Scottish samples tested since last week with H274Y (H275Y).
http://www.documents.hps.scot.nhs.uk/respiratory/swine-influenza/situation-reports/weekly-influenza-sitrep-2009-12-24.pdfA total of 789 (780 last week) Scottish samples have been analysed for genotype and of these 15 were fully phenotyped. A total of seven (5 last week) viruses (included in the UK total of 30 (25 last week)) have been found to carry the H275Y mutation. These have been phenotypically confrmed to be resistant to oseltamivir whilst retaining sensitivity to zanamivir.
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