HealthLawProf Blog

Editor: Katharine Van Tassel
Akron Univ. School of Law

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Tuesday, April 28, 2009

WHO Phase 4 Described

DemFromCt has a helpful overview (including charts) of the WHO's recent decision to raise the pandemic alert to phase four.  Here is a brief excerpt:


. . .   There's a confirmed human outbreak overseas (several, actually - US, Canada, Spain and Mexico). And to clarify things further, WHO has redefined what their phases mean:

Phase 4 is characterized by verified human-to-human transmission of an animal or human-animal influenza reassortant virus able to cause "community-level outbreaks." The ability to cause sustained disease outbreaks in a community marks a significant upwards shift in the risk for a pandemic. Any country that suspects or has verified such an event should urgently consult with WHO so that the situation can be jointly assessed and a decision made by the affected country if implementation of a rapid pandemic containment operation is warranted. Phase 4 indicates a significant increase in risk of a pandemic but does not necessarily mean that a pandemic is a forgone conclusion. [my bold]

The Wall Street Journal also has some helpful discussion of the situation here.

http://lawprofessors.typepad.com/healthlawprof_blog/2009/04/who-phase-4-described.html

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