From Reuters:
Seasonal flu viruses are developing the ability to evade influenza drugs globally, but how and why this is happening is not clear, experts told a conference on Monday.
Europe is the worst-affected by strains of influenza that resist the effects of antiviral drugs, but the resistance is growing globally, they told a meeting of the Infectious Diseases Society of America.
"A significant proportion of resistant viruses were observed in Europe this winter," Dr. Bruno Lina of Claude Bernard University in Lyons, France, told the meeting.
The resistance also varies by strain, with a quarter of H1N1 flu viruses resistant in Europe and about 11 percent of H1N1 in the United States, but far fewer cases of H3N2 and influenza B viruses. ...more
Wednesday, May 21, 2008
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