Community-based distribution projects are currently operating in 40 countries, including the program in Oyo State in southwest Nigeria. Such programs utilize volunteer community workers to expand the availability and accessibility of primary health care services, family planning information, and nonprescription contraceptives in rural areas. These workers play a vital role in linking the village with government health facilities. Among the responsibilities of community health workers are promotion of food supply and proper nutrition, adequate supply of safe water and sanitation, maternal and child health care (including family planning, immunization, prevention and control of major endemic diseases, treatment of common diseases, and provision of essential drugs). These workers are nominated by traditional village leaders and selected by public health nurses; priority is given to traditional birth attendants. In Oyo State, community workers participate in an extensive 2-phase learning program followed by refresher courses every 6 months. After 2 years of program services in Oyo State, approval of family planning increased from 20

来源：Salubritas 1986 年 9卷 2期