Japan finds Tamiflu study inconclusive, will probe more
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Over half of influenza patients in Japan showing abnormal behavior had taken the drug Tamiflu, but it is not clear if there was a causal link between the drug and their actions, a government report showed on Monday.
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Postmortem tests on an Illinois woman who died mysteriously in July after getting an experimental gene treatment show no evidence that she was killed directly by the genetically altered viruses she was given, a committee of experts was told yesterday.
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Not enough is being done to prevent the spread of HIV among Asian drug users, researchers say.
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LONDON - Resistance to a popular anti-influenza drug from Switzerlandâs Roche may be more common than previously thought, raising questions about how it should be used in a major pandemic, Japanese researchers said on Thursday.
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Japanese researchers at Nagasaki University have produced a vaccine against the West Nile virus, applying techniques used for a Japanese encephalitis vaccine.
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NEW YORK  - In a new study, Japanese researchers describe the development of an experimental rice-based oral vaccine that requires neither refrigeration nor injection.
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Analysts said the discovery of a human case of mad cow disease in Japan may hamper efforts to resume beef imports from the United States.
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Japan has confirmed its fourth outbreak of bird flu since the beginning of the year, the Agriculture Ministry said on Thursday.
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The officials released few details and refused to say where the possibly diseased animal was found. They said it would be four to seven days before more could be confirmed, a delay that livestock industry
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Data on Sanofi-Aventis' experimental bird flu vaccine shows higher doses worked better, but it is unclear whether those results prove the product's effectiveness, U.S. Food and Drug Administration staff said in documents released on Monday.
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Data on Sanofi-Aventis's   experimental bird flu vaccine shows higher doses worked better, but it is unclear whether those results prove the product's effectiveness, U.S. regulatory staff said in documents released on Monday.
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Scientists are no nearer finding a vaccine against HIV after more than 20 years of research, a top expert says.
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A small Japanese study suggests that influenza viruses are becoming resistant to Tamiflu, a widely used drug that eases the flu&#39;s symptoms, and that the resistance may be more common than thought.
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The Food and Drug Administration said yesterday that its investigators found contamination problems with the manufacturing process of MedImmune's nasal flu vaccine FluMist but that the finished product was not affected.
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A World Health Organization investigation showed that the H5N1 virus mutated slightly in an Indonesian family cluster on Sumatra island, but bird flu experts insisted Friday it did not increase the possibility of a human pandemic.
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Scientists say they have found a key reason why bird flu has so far not posed a widespread threat to humans.
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First-round screening tests returned  "inconclusive" results for mad cow disease from one animal and  samples were being submitted for final and more sophisticated  analysis, the U.S. Agriculture Department said on Thursday.