• WHO Commemorates its 50th Anniversary
• Paraguay and Brazil Discuss Joint Strategies for the Eradication of Measles
• Districts at Risk for Measles in El Salvador
• Central America Meeting initiates Surveillance System for Hib and
Streptococcus pneumoniae
• Evaluation of Mexico’s Universal Vaccination Program
• Third Canadian National Immunization Conference
• Polio Surveillance
• Regional Update
• Reported Cases of Selected Diseases
• Vaccines of Quality