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WHO warning over possible Swine Flu pandemic
How worried should we be by the World Health Organisation (WHO) warning that we are on the cusp of a global flu pandemic? Tracing the recent outbreak of swine flu (a variant of the H1N1 virus) and the implications. How are vaccines made and how quickly can they be manufactured and distributed?
ÃÛÑ¿´«Ã½ World Service Archive
This programme was restored as part of the World Service archive project
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Science In Action
The ÃÛÑ¿´«Ã½ brings you all the week's science news.