The Measles-Rubella Oral Polio Vaccine Supplemental Immunization Activity (MR OPV SIA) campaign aims to immunize at least 95% of all children 9 months to less than 5 years old in Cordillera with MR vaccine and all children under 5 years old in Cordillera with OPV regardless of immunization status (vaccinated with MR OPV or not) … Continue reading The Measles-Rubella Oral Polio Vaccine Supplemental Immunization Activity (MR OPV SIA) campaign