title: [Cause analysis of measles incidence in National Diseases Surveillance System in 1990].
abstract: This paper described the time and areas distribution of 875 measles cases in DSP in 1990 and discussed relationship between vaccination and measles cases. Through studying cases in several points with high morbidity, the authors found that there was no high immunization coverage. It must have been the first chance of measles incidence. Further more the immunization technics and cold chain were found unqualified, which were thought to be the second chance.
authors.forename: G
authors.initials: G
authors.lastname: Yang
mesh_terms: D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D002681:China / Q000453:epidemiology; D005260:Female; D006801:Humans; D007115:Immunization Schedule; D015994:Incidence; D007223:Infant; D008297:Male; D008457:Measles / Q000453:epidemiology* / Q000209:etiology / Q000517:prevention & control; D008458:Measles Vaccine; D014611:Vaccination
chemical_list: D008458:Measles Vaccine