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So the Swine flu has reached phase 5. How high did the bird flu go?


Anonymous said...

I'm not exactly sure, but from what i've read, it only got to level 3. To get to level 4 there has to be a significant number of confirmed human to human transmission cases. And although there were a lot of cases of bird flu, not enough of them were shown to have been passed by humans so it remained at level 3. To become a pandemic level 5, there only has to be one case of human to human contact in 2 different countries. Phase 6 means there is a community level outbreak of human transmission.

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