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Field Detail
Theme Health
Code PH-CH-1.1
MDG code MDG-4.3
Sub-theme Child Health
Name Proportion of 1 year old children immunized against measles (MDG 4.3)
Definition Proportion of 1 year old children immunized against measles is the percentage of children aged one year who have received at least one dose of a measles vaccine.
Calculation/Formula The number of children who received at least one dose of measles vaccine either any time before the survey or before the age of 1 year / The number of children of same age group x 100
Unit of Measure %
Range (eg Age) 1 year old
Assumptions Assumes vaccination schedule immunises before one year
Limitations Countries vary in the age at which the immunisation schedules are implemented. Therefore data between countries is often not comparable. The PIFS MDG Tracking Report uses UNSD data as values have been adjusted to provide consistency, however NMDI database reports official country values where available and notes age ranges in metadata.
Purpose/Rationale Immunization coverage estimates are used to monitor immunization services, to guide disease eradication and elimination efforts, and are a good indicator of health system performance (WHO). It provides a measure of the coverage and the quality of the child health-care system in the country. Immunization is an essential component for reducing under-five mortality. Vaccination coverage for measles needs to be above 90 per cent to stop transmission of the virus—not only because measles is so contagious, but also because up to 15 per cent of children vaccinated at nine months fail to develop immunity
Policy Linkages Health Sector Plans, MDG
Preferred Data Sources Administrative data from National Health Information System (verified for quality) or DHS
Alternative_Data Sources Expanded Programme on Immunization (EPI) 30-cluster survey, UNICEF Multiple Indicator Cluster Survey (MICS).
Primary Data Collection System National Administrative Database - Health Information Management Systems (HIS)
Frequency of Data Collection 5 years
Other agencies countries_ must report to: CHIPS
SPC Responsibility - Data Management SDP
Comments / Regional Trend Analysis Note that some Pacific countries immunisation schedules have the first measles vaccine due at 12 months or older
SPC Programme PHD
Numerator The number of children who received at least one dose of measles vaccine either any time before the survey or before the age of 12 months
Denominator The number of children of same age group
Factor x 100
Unit %