Monday, January 28, 2008

Surprising rise in drug resistance in seasonal flu viruses worries experts

From the Canadian Press:
Influenza experts admitted Monday they have been startled by the discovery this season of an unexpectedly high number of human flu viruses that appear to be naturally resistant to Tamiflu, the drug that countries around the world are stockpiling for use in the next flu pandemic.

The viruses have been isolated from people infected with influenza A viruses of the H1N1 subtype in a number of European countries.

Canada's National Microbiology Laboratory in Winnipeg has reported finding one such virus, in a child believed to have caught the flu abroad, and is speeding up testing to see if there are more.

The World Health Organization is convening a virtual meeting of experts Tuesday to try to get a handle on how far afield the resistant virus has been found, how common it is and what the findings signify. ...more

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