title: [The investigation on the incidence of varicella in Shandong, Gansu and Hunan Provinces in 2007].
abstract: OBJECTIVE
  To analyse the incidence character of varicella in Shandong, Gansu and Hunan provinces in 2007.
  
  
  METHODS
  One township of rural area and one community of urban area were selected from Shandong, Gansu and Hunan each province for sampling. 34578 children were sampled and 1213 clinical diagnostic cases were confirmed.
  
  
  RESULTS
  The incidence of 0-14 ys was 1836.72/100,000 and the estimated incidence of entire population was 357.95/100,000. The peak age of incidence was 5-9 age group children.
  
  
  CONCLUSIONS
  The incidence of varicella in China was high and the incidence was different between areas or ages.
authors.affiliation: National Immunization Programme, Chinese Center for Disease Control and Prevention, Beijing 100050, China.
authors.forename: Da-Peng
authors.initials: DP
authors.lastname: Yin
authors.forename: Li-Zhi
authors.initials: LZ
authors.lastname: Song
authors.forename: Xiao-Shu
authors.initials: XS
authors.lastname: Zhang
mesh_terms: D000293:Adolescent; D017677:Age Distribution; D002644:Chickenpox / Q000453:epidemiology* / Q000821:virology; D002648:Child; D002675:Child, Preschool; D002681:China / Q000453:epidemiology; D005260:Female; D006801:Humans; D015994:Incidence; D007223:Infant; D007231:Infant, Newborn; D008297:Male