Content

• The Final Stages of Polio Eradication:Colombia Faces the Challenge
• Make Measles History
• Missed Opportunities for Vaccination in the Americas: Diagnosis and Interventions, 198811990
• Vaccine Potency Testing
• Reported Cases of EPI Diseases
• Criteria for the Differential Diagnosis of Poliomyelitis, GuillaidBarre Syndrome, Transverse Myelitis and Traumatic Neurities

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