News & Perspective

Apr 26, 2009

Apr 26, 2009

WHO holding at pandemic alert phase 3 for now

(CIDRAP News) – The World Health Organization (WHO) today held to its position that more information is needed before a decision can be made about changing its pandemic influenza alert status from the current phase 3 to phase 4. Moving to phase 4 would mean that the new virus is transmissible enough to cause large outbreaks.