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"only around one third of children 12 to 23 months of age [in Chad in 2005] receiv[ed] Measles-Containing Vaccine through '[the] Expanded Program for Immunization' " https://t.co/c0vty1TEHD
"only around one third of children 12 to 23 months of age [in Chad in 2005] receiv[ed] Measles-Containing Vaccine through '[the] Expanded Program for Immunization' " https://t.co/c0vty1TEHD