Contents of this double journal issue concern immunization and primary health care of children. The issue decribes vaccine storage and sterilization techniques, giving particular emphasis to the role of the cold chain, i.e., the maintenance of a specific temperature range to assure potency of vaccines as they are moved from a national storage…

The theme of this serial issue is helping individuals involved in community health programs at the local level to devise and apply a protocol for the evaluation of a community health program. In the opening sections of the issue evaluation is defined, the difference between a direct quantifying measure and an indicator is clarified, obstacles to…