Mutant Flu Virus Is Found That Resists Popular Drug
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The World Health Organization said that a small but significant percentage of the main influenza virus causing illness this winter is resistant to the anti-influenza drug Tamiflu.
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Flu viruses must be able to pick a very specific type of lock before entering human respiratory cells, U.S. researchers said on Sunday, offering a new understanding of how flu viruses work.
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A research team in Texas used a common antiretroviral drug to halt the transmission of HIV in lab mice engineered to behave like humans
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Australia and Hong Kong have joined North America and parts of Europe in reporting seasonal influenza viruses with increased resistance to the antiviral drug Tamiflu, the World Health Organization said on Thursday.
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NEW YORK  - Among young children with influenza, virus mutations that are resistant to Tamiflu arise in about 20 percent of those treated with the drug, Japanese researchers report.
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A hardy vaccine capable of thwarting a pandemic strain of flu can be produced, but not within the next few months, global flu experts said Friday.
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The parasite that causes river blindness appears to be developing resistance to the only drug widely available to treat it, researchers said on Thursday.
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ViroPharma completes preliminary enrollment in a study of one of its drug candidates.
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The flu virus is becoming resistant to key drugs which are used to treat it, a study suggests. Doctors in Japan carried out tests on 50 children who were admitted to hospital with flu in 2002 and 2003.
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The unexpected flu vaccine shortage is thrusting a class of powerful virus-fighting drugs into a sudden spotlight. For more than a quarter century, doctors have turned to antiviral medications
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The AIDS virus has hideouts deep in the immune system that today's drugs can't reach. Now scientists finally have discovered how HIV builds one of those fortresses Â and they're exploring whether a drug already used to fight a parasite in developing countries just might hold a key to break in.
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Scientists find a way to make cells effectively immune to flu and other viruses.
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Scientists who synthesized two genes from the virus that caused the 1918 Spanish influenza pandemic said Thursday they have a found new clues about what made it so deadly.
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Children with flu who are given  Tamiflu, Roche AG's influenza pill, are 53 percent less likely  to develop pneumonia than untreated children, the company  reported on Friday.
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An experiment to reconstruct the deadly 1918  flu virus gives new insight into how the infection took hold.
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Research on the severe acute respiratory syndrome (SARS) virus has revealed a molecular structure that appears to be a promising target for antiviral drugs.
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Advanced X-ray technology has helped scientists spot a new target that drug designers might use to attack the dreaded bird flu virus.