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Published online 10 August 2005 | Nature | doi:10.1038/news050808-9
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Bird flu vaccine not up to scratch
Positive results of little practical use, experts warn.
The US National Institutes of Health (NIH) last weekend announced preliminary results of tests in people of a vaccine against the H5N1 avian flu virus, showing that two large doses should protect adults from infection.
But critics point out that the large amounts needed mean the hundreds of millions of doses needed to tackle a pandemic could never be produced.
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