Abstract

Partially because of the high cost of developing and maintaining cold chains, systems needed to keep heat-labile vaccines under adequate refrigeration from their points of manufacture to their administration in the field, the Joint WHO/FAO Expert Committee on Zoonoses (i.e., the approximately four fifths of all described human infections that people share with other vertebrate animals) recommended in 1982 operation of common cold chains by health and veterinary services in rural areas. Following this recommendation, a 1984 pilot level initiative in medical-veterinary intersectoral cooperation should be regarded as a practical way to deliver human primary health care to currently neglected African pastoralists, and as a potential core program for development efforts overall within arid and semiarid areas of the African continent