Keywords: Monthly mortality rates 1841-1849.png en Puerperal fever monthly mortality rates for birthgiving women at the First clinic at the Vienna General Hospital 1841-1849 reported by Semmelweis He devised and instituted a chlorine handwashing policy by mid-May 1847 His employment was terminated March 20 1849 Own Power corrupts 2008-09-11 Ignaz Semmelweis History of medicine |