WHO Director-General Dr. Margaret Chan said at a press briefing
Thursday that "the scientific criteria for an influenza pandemic have been
met," and that she was raising the alert level from 5 to 6 — the highest level
(denoting widespread community transmission on two continents).
"We do not expect to see a sudden and dramatic jump in the number
of severe or fatal infections," she said, but she also warned that "the virus
writes the rules."
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Dr Marwah