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3 cases of Tamiflu-resistant H1N1 (Swine flu) now on the radar

Yesterday Denmark announced the first known case of Tamiflu-resistant H1N1. Today Hong Kong announced a teen who flew in from San Francisco tested positive for a resistant strain. Also, Japan announced a woman from Osaka also is resistant after a 10 day course of the medication.

"This marks the first known case of Tamiflu resistance in a swine flu patient not treated with the drug, which has been stockpiled by governments worldwide to fight pandemic influenza. The specimen was collected from a 16-year-old girl who flew from San Francisco and was intercepted by officials at Hong Kong International Airport on June 11, according to the statement."

“Picking it up in a patient who was not treated is a cause for concern,” Malik Peiris, professor of microbiology at Hong Kong University, said in an interview. “One case doesn’t change the world, but if we are seeing more and more cases in patients who are not treated, then I think it would be more serious.”

“The key point is whether the strains will become dominant and then we will have a problem,” Peiris said. “At this moment, I don’t think there is cause for alarm. There is certainly cause for heightened surveillance.”

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