The chief of the World Health Organization says she is not raising the world swine flu alert level just yet. Several countries including Britain, Japan and China had urged the UN health agency to change how it decides to raise the alert level.
WHO chief Dr. Margaret Chan says the swine flu epidemic is in "a grace period" with the WHO alert remaining at phase five out of a possible six for the last month. She told the WHO annual assembly on Monday that no one can say how long this period will last. Chan says the danger now is that the swine flu virus could mix with other flu strains and become more dangerous. (AP)
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