Malaria control is a serious concern for healthcare professionals, in Henan Province of China. Presented slide shows that in this particular example the cost of illness per person is over 100 times higher than the cost of prevention.

http://www.pitt.edu/~super1/lecture/lec5501/008.htm

Professor Xi-Li Liu, TDR/WHO Project Principal Investigator, Henan Provincial Institute of Parasitic Diseases, China