Measles coverage refers to the percentage of children who have received at least one dose of measles-containing vaccine in a given year. This indicator is used for estimating the vaccine coverage of the total EPI strategy. To avoid overestimation, measles vaccination coverage is often used as a proxy since it is usually lower than DPT3 coverage.
Number of children in the target age group who received measles vaccination in a defined administrative or health area in a given period of time
Estimated total number of children in the target age group in the same administrative or health area in the same period of time
Administrative area; health area; sex
Indicator used for response monitoring ?
Threshold / Standard
> 95% in camps or urban areas; > 90% in rural areas Follow-up of trends
Calculation: Measles vaccination coverage can be estimated after a mass vaccination campaign and for EPI; target age group should be determined according to local circumstances. Limitations: The coverage estimates calculated using the administrative method can be biased due to inaccurate numerators or denominators. Numerators may be underestimated (due to incomplete reporting from reporting units or non-inclusion of other vaccinating sources (e.g. private sector, non-governmental organizations), or overestimated (due to over-reporting from reporting units e.g. inclusion of other target groups) Denominator inaccuracies may be due to issues such as: population movement, inaccurate census estimations or projections and/or numerous sources of denominator data Alternatively, vaccination coverage can be estimated by household surveys, where the numerator will be the number of children in a given age range vaccinated and the denominator will be the total number of children in the same age range in the survey.
Guidance on phases
There is a differing level of quality of data which can be collected at different phases of the emergency depending on the context, eg the data available and the systems for data collection in place before the crisis, the accessibility of the affected areas, the resources on the ground, etc... Periodical household vaccination coverage surveys should be considered, particularly following a campaign. Households surveys will be more doable in later phases of the emergency.
Numerator: routine health facility reporting system Denominator: administrative boundaries; health areas boundaries; population per administrative area; population per health areas; Alternatively numerator and denominator can be recorded through household surveys
Further guidance: Immunisation coverage (http://www.who.int/healthinfo/systems/WHO_MBHSS_2010_full_web.pdf)