Author Topic: Swine flu could protect against deadly mutation (AFP)  (Read 629 times)

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Swine flu could protect against deadly mutation (AFP)

AFP - The global outbreak of swine flu hovering just below the pandemic threshold could provide immunity for those already infected if the virus mutates into a more deadly form, scientists have told AFP.

http://us.rd.yahoo.com/health/news/rss/search/*http://health.yahoo.com/news/afp/healthflupreventionpolicy_20090507074951.html