• EPI in Brazil: Vaccination Coverage
• Cold Chain: Summary of Refrigerator Testing
• EPI Revolving Fund: Summary of 1979 Operations
• Intervals Between Successive Doses of Killed Vaccines: The Persistence of
• Immunological Memory and Implications for the EPI
• International Symposium on Pertussis
• Improved Stability of Freeze-dried Measles Vaccine
• Regional Self-sufficiency in Vaccines for the EPI Program
• Reported Cases of EPI Diseases in the Americas
• Newsbriefs