1. ... vaccination by a health worker in a rural zone Subject(s): Health PersonnelPublic HealthWorld Health Organization.
2. Members of the trachoma control team examine an elderly patient in a rural area. Although trachoma is the principle cause of blindness here, many cases are also found of such ailments as cataract and glaucome. Some cases will respond to simple surgical treatment Subject(s): Health PersonnelPublic HealthWorld Health Organization.
