Vtpb 221 practice exam - Study guides, Class notes & Summaries

VTPB 221 Practice Exam Final Questions And Answers With Latest Updates In the mid of the 19th Century, different theories arose to explain the cause of cholera. These theories were: i) The miasma theory; ii) The poison theory; iii) The contagion/germ theory. The poison theory was strongly supported and advocated by: A. Robert Koch B. Florence Nightingale C. John Snow D. Max von Pettenkofer E. Thomas Crapper ANS ** john snow 2. Grosse Isle was a Canadian government owned island that o...