Effect of Improved Sanitary Facilities on Infant Diarrhea in a Hopi Village

DIARRHEA is a major health problem among southwestern Indian infants (1, 2).Many environmental factors have been im- plicated in the high prevalence of diarrheal disease on Indian reservations and at all socio- economic levels where living conditions are poor.Among these factors, the availability of water for personal hygiene is of prime impor- tance in the control of diarrheal disease (3-5).Adequate sewage disposal systems including in- door flush toilets are also important in diarrheal disease control (6).Although the infant in his first year of life neither uses a toilet nor washes himself, the sanitary problems of his mother are reflected in the infant's health status.Because children