WHO Raises Flu Alert Level To Phase 4
MEXICO CITY — Mexico says the World Health Organization has raised its pandemic alert for swine flu by one level, two steps short of declaring a full-blown pandemic. Mexico health department spokesman Carlos Olmos confirms the move.
WHO says the phase 4 alert means sustained human to human transmission causing outbreaks in at least one country. It signals a significant increase in the risk of a global epidemic, but doesn't mean a pandemic is inevitable. Many experts think it may be impossible to contain a flu virus already spreading in several countries.
WHO has confirmed human cases of swine flu in Mexico, the United States, Canada and Spain. Only Mexico has reported deaths from the new strain.
WHO says the phase 4 alert means sustained human to human transmission causing outbreaks in at least one country. It signals a significant increase in the risk of a global epidemic, but doesn't mean a pandemic is inevitable. Many experts think it may be impossible to contain a flu virus already spreading in several countries.
WHO has confirmed human cases of swine flu in Mexico, the United States, Canada and Spain. Only Mexico has reported deaths from the new strain.
posted by temporal at 4/27/2009
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