Question: In the 1920's, the Rockefeller Foundation funded a physician to go throughout the Pacific Islands to decrease the incidence of hookworm. Each of the following but one would help decrease the incidence of this disease. Which one would not make any change in incidence of Ancylostoma duodenale or Necator americanus?
A. Wearing shoes
B. Washing hands after using the bathroom
C. Using latrines for defecation
D. Treating those found to be infected E. Establishing sewage treatment facilities