Absolute Humidity and the Seasonal Onset of Influenza in the Continental US. Author(s): Shaman J, Pitzer V, Viboud C, Lipsitch M, Grenfell B|Journal: PLoS Curr|PMID: 20066155| December 2009 Much of the observed wintertime increase of mortality in temperate regions is attributed to seasonal influenza. A recent re-analysis of…