View 1 london 1854 outbreak2 mystery illness3 cholera4 scientific method5 dr snow6 contamination source7 diarrhea8 dehydration PowerPoint (PPT) presentations online in SlideServe. SlideServe has a very huge collection of 1 london 1854 outbreak2 mystery illness3 cholera4 scientific method5 dr snow6 contamination source7 diarrhea8 dehydration PowerPoint presentations. You can view or download 1 london 1854 outbreak2 mystery illness3 cholera4 scientific method5 dr snow6 contamination source7 diarrhea8 dehydration presentations for your school assignment or business presentation. Browse for the presentations on every topic that you want.