Based on assessment of all available information and following several expert consultations, I have decided to raise the current level of influenza pandemic alert from phase 4 to phase 5.

Based on assessment of all available information and following several expert consultations, I have decided to raise the current level of influenza pandemic alert from phase 4 to phase 5.
Margaret Chan

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For the first time in history we can track the evolution of a pandemic in real time. Influenza viruses are notorious for their rapid mutation and unpredictable behaviour.
- Margaret Chan

Based on assessment of all available information and following several expert consultations, I have decided to raise the current level of influenza pandemic alert from phase 4 to phase 5. Margaret Chan

Based on assessment of all available information and following several expert consultations, I have decided to raise the current level of influenza pandemic alert from phase 4 to phase 5.
Margaret Chan