Genetic drift always keeps life interesting.

H1N1, the disease that's kept supplies of vaccine low, doctors' offices and emergency rooms packed, and way too many people feeling like crap this season has thrown the medical community a curveball in recent weeks. Beginning early last spring Tamiflu-resistant strains of the virus started appearing around the country, most notably in Maryland, Virginia, and Washington state. The antiviral compound Tamiflu is one of those administered to the sickest of patients, and this means that physicians will have to figure out another drug or combination of drugs because their best treatment thus far is likely to become less effective as …

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