Age-specific mortality during the 1918 influenza pandemic: Unravelling the mystery of high young adult mortality [PLoS ONE, Aug 2013 — free full-text] User isosafrole, in the Public Health subreddit, 10 Mar 2014
peak mortality of 1918 at age 28 resulted from early life exposure to influenza during previous flu pandemic of 1889–90 User yyhhggt, in the Reddit Science subreddit, 07 Aug 2013