Sunday, November 22, 2009

Wales Tamiflu-resistant swine flu responds to Relenza - One antiviral still works on H1N1 mutatio

The H1N1 swine flu virus is mutating, causing more severe illness and resistance to antiviral medications. More severe strains of H1N1 mutation have been identified in Norway and the Ukraine. The Norwegian and Ukraine flu outbreaks cause bleeding in the lungs. Tamiflu-resistant swine flu clusters have been found in North Carolina and Wales, while isolated incidents of antiviral-resistant strains of swine flu have been identified all over the world.
Tamiflu-resistant swine flu mutation
The swine flu mutation that results in a resistance to treatment by the antiviral medication Tamiflu has been found in two clusters. Four patients in a North Carolina hospital were diagnosed with the antiviral-resistant strain of H1N1 within a six-week span. Three of the four patients passed away, although it is unknown if the swine flu was the cause of death. In Wales, five patients have been identified as victims of the H1N1 mutation, with an additional three infections undergoing investigation.
Relenza as alternate antiviral treatment
Relenza is an alternate antiviral treatment to the use of Tamiflu in cases of the swine flu mutation. In addition, this antiviral medication is recommended by the manufacturer for the prevention of H1N1 infection. According to a Stanford Study, Tamiflu and Relenza are equally effective in the prevention of flu symptoms in uninfected people, but safety information for children has not been explored.

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