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Swine flu will mutate into deadlier strain, says WHO
The World Health Organization head said the H1N1 virus has not mutated into...
September 22, 2009 7:30 by kippreport
The World Health Organization (WHO) head said the H1N1 virus has not mutated into a deadly strain yet, in spite of the growing number of swine flu-related fatalities worldwide. Director-General Margaret Chan also said the virus is showing signs of resistance to the vaccinations available.
She added that the WHO is monitoring the situation carefully.