Comment "Phase". Not "Threat Level", not even "Level". (Score 1) 557
"Current level of influenza pandemic alert raised from phase 4 to 5"
http://www.who.int/en/
http://www.cdc.gov/flu/pandemic/phases.htm.
Obviously as it spreads more, the risk is greater, but it isn't some "terror alert level" they're raising, it's the phase in the progression of the outbreak that they're tracking.