"Based on assessment of all available information and following several expert consultations, I have decided to raise the current level of influenza pandemic alert from phase 4 to phase 5"

This quote by Margaret Chan recommends that the existing level of influenza pandemic alert has actually been raised from stage 4 to phase 5. This decision was made after a thorough evaluation of all offered details and professional assessments. This suggests that the present influenza pandemic is serious enough to call for a greater alert level. This could mean that the pandemic is spreading out quickly and is becoming more serious, and that more strict procedures might require to be required to include it. It is most likely that the general public will be encouraged to take additional preventative measures to secure themselves from the virus, such as avoiding large gatherings and washing their hands regularly. This choice to raise the alert level is an indication that the circumstance is serious and that the public ought to take the necessary steps to secure themselves.