A novel variant of swine flu has emerged in Asia with a genetic adaptation giving some resistance to Roche's Tamiflu and GlaxoSmithKline's Relenza, the two mainstay drugs used to tackle the disease.
Researchers said more than 30 percent of H1N1 swine flu infection samples from northern Australia, and more than 10 percent of those in Singapore, collected during the early months of 2011 had mildly reduced sensitivity to the two drugs. Full story
