Movin' up to phase 6?
Despite an expressed desire to incorporate a severity measure into their pandemic alert system, WHO might soon move to phase 6 (out of 6). Meanwhile, the C.D.C. reports that pneumonia and influenza mortality in their 122 city surveillance remains below the epidemic threshold.
Maybe the new WHO pandemic alert system should keep the 6 phases, applied regardless of disease severity, and then when phase 6 is reached and the disease is very severe, they could jump right to eleven.