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ut it is noticeable that there is a higher rate of seen cards in the Mountain areas than in thelowland areas (57.1% compared to 52.2%). If measles vaccination (ever) by both mother’s recalland by documentation (vaccination card) is considered the level of immunization among thetwo ecological zones is comparable (approximately 86% in Mountainous and 89% in Lowland).Similarly, approximately 86% and 84% of children in Lowland and Mountain were received thirddose of Polio, respectively at the time of the survey.The last Measles/Polio vaccination campaign in Lahj governorate was conducted around 5months ago (March 2012) with a reported coverage of 97% measles and 99% Polio. Thereforethe current survey findings for Measles and Polio presented were slightly low. However, whileacknowledging factors such as missing children (vaccinated but not available during the survey)and mother recall bias (very few vaccination cards retained), the coverage estimate of 84 to 89percent during the survey can be considered agreeable. Considering the challenges faced byany outreach campaign in this vast governorate, this information may give some indication ofthe success of the immunization programme in reaching out to all population subgroups in Lahjgovernorate.Vitamin A supplementation coverage is lower than the measles coverage. Approximately 73.1%of population in the Low land ecological zone and 69.1% in the Mountain had received vitaminA capsule in the past 6 months prior to the survey. In general the Lowland populations had amarginally better coverage compared to the Mountain community. However, these coveragefigures of the current survey are surprisingly lower than the 87% coverage reported in the lastVitamin A supplementation campaign in Lahj governorate which was conducted in March 2012.However, when comparing data from various sources, consideration should be given todifferences in the sampling frame, design, sample size, representativeness of the sample, andselection methodology, as well as differences in the source of information, phrasing ofquestions, and reporting of data that could explain these differences.The vitamin A supplementation coverage in both Lowland and Mountain areas is considerablylower than the Sphere Standards recommendation of 95% coverage. Therefore, effort needs tobe made to improve the Vitamin A supplementation and strengthen the existing static healthservices. It is also suggested that mobile health teams, should be deployed to assist theoutreach efforts and improve Vitamin A supplementation coverage.44