Swine flu: Eleven students Influenza A positive The Press West Coast, New Zealand The WHO website describes phase 4 as characterised by verified and sustained human-to-human transmission of an animal or human-animal influenza virus able to cause "community-level outbreaks

Swine flu: Eleven students Influenza A positive The Press West Coast, New Zealand The WHO website describes phase 4 as characterised by verified and sustained human-to-human transmission of an animal or human-animal influenza virus able to cause “community-level outbreaks.” Meanwhile, pupils at Northcote College have this morning … http://webdfbfcdc.tumblr.com/

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Swine flu: Eleven students Influenza A positive The Press West Coast, New Zealand The WHO website describes phase 4 as characterised by verified and sustained human-to-human transmission of an animal or human-animal influenza virus able to cause &quot;community-level outbreaks

Swine flu: Eleven students Influenza A positive The Press West Coast, New Zealand The WHO website describes phase 4 as characterised by verified and sustained human-to-human transmission of an animal or human-animal influenza virus able to cause "community-level outbreaks