Flu virus can still mutate, warns WHO

The H1N1 flu pandemic may not be conquered until 2011 and continued vigilance is required against the virus which can still mutate, the head of the World Health Organisation said on Tuesday….appropriate to continue to monitor the evolution of this pandemic for the next six to 12 months

Countries including Britain, Canada and the United States have passed peaks of a second wave of H1N1, but outbreaks are intensifying in India, Egypt and elsewhere…H1N1 has now spread to more than 200 countries, with nearly 12 000 deaths confirmed in laboratory, but it will probably take two years to establish the true death toll,

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