Analysis on epidemiological characteristics of measles in Yangpu district Shanghai during years 2001-2007

ObjectiveTo understand the epidemiological characteristics of measles in Yangpu district and provide evidence for specific strategies and measures for measles prevention and control.MethodsDescriptive analysis was made from the data of measles in Yangpu district from year 2001 to 2007.Results180 cases were reported in the whole Yangpu district from year 2001 to 2007,and no death.The average morbidity in Yangpu district was 2.13/100,000.The measles incidence of floating population was 10.23 times higher than the native population.The peak season appeared from March to August about 81.67%.The rate of male to female morbidity was 1.34:1.In both groups,patients<15 years was 39.44% and ≥ 20 years was 53.89%,accounted for the majority of the patients.Cases form local habitants were dominated by the adults and the morbidity was highest in the ≥ 20 years group (77.78%).Cases from the floating population were dominated by the children and the age peak of morbidity appeared in<15 years group (54.55%).29.44% of the cases had no history of measles immunization and 62.78% had unknown inoculation history.ConclusionActions should be taken to strengthened the administration of the floating population.Every province should guarantee the coverage of 2 doses and timely coverage of the first dose of measles vaccine.Meanwhile,we should put emphasis on measles supervision and expand the range of intensive measles immunity among the adult groups.