The vaccine, made by Acambis, based in Cambridge, should protect against all strains of influenza A, the type responsible for pandemics. Unlike existing vaccines it does not have to be reformulated each year to match the prevalent strains of flu, so it could be stockpiled and used as soon as a pandemic strain emerges. Nor does it need to be grown on fertilised chicken eggs, as the existing vaccines do, but can be produced by cell culture.
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HSToday.us comments:Meanwhile, Viro-Clinics, part of the Erasmus Medical Centre in Rotterdam, reported that by adding an agent that stimulates the immune system, it appears the existing vaccine is effective against various strains of the bird flu virus.
Scientists discover new key to flu transmission.
WHO says initial analysis of Pakistani H5N1 suggests no dangerous mutations, though there was an inter-family transmission of the virus.
Bird flu still a threat ten years after leap to humans