Alert Level Raised to 5

The World Health Organization uses a six-step system to inform the world of the seriousness of a threat. The phases:

SOURCE: | The Washington Post - April 28, 2009

This Story Diseases Travel Fast, but So Do Tools to Fight Them Article \| LONDON, April 28 -- Teenagers in New Zealand, honeymooners in Scotland, high-schoolers in New York and tourists in Israel all are sick from the same bug caught just days ago on trips to Mexico. Little Boy at the Center of a Viral Storm Interactive Map Argentina, Cuba Cancel Flights From Mexico MARYLAND CASES: Parents Debate Sending Children To School as Officials Urge Caution Experts Study Differences in Flu's Severity Questions and Answers About Swine Flu U.S. Warns Other Nations Not to Ban Pork Swine Flu Expands to More New York Schools With Epidemic, Face Masks Are Suddenly in Demand Full Coverage: Swine Flu Your Community's Response? : Swine Flu: Cases Confirmed in Israel and New Zealand Swine Flu Videos Countries Take Action Against Swine Flu Anxiety Spreads With Diagnoses at N.Y. School CENTER OF CRISIS: Mexican Schools Shut as Epidemic Hits 'Critical' Point Outbreak Threatens Global Recovery In Europe: E.U. Issues Conflicting Warnings on Travel as First Cases Outside N. America Are Confirmed Local Officials Prepare For Arrival of Swine Flu Counsel, Caveats From an Expert WHO Raises Global Threat Level As Reports of Swine Flu Increase Distribution of Cases Alert Level Raised to 5		Network News X Profile View More Activity TOOLBOX E-Mail This Reprints
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