[Investigation on varicella incidence of the children < or =14 years old in Shandong province in 2007].
OBJECTIVE
To investigate the variceilla incidence of children age < or =14 years old in Shandong province in 2007.


METHODS
All children aged < or =14 and the cases of varicella were investigated from one township of rural area and one township of urban area of Jinan, Yantai, Taian, Linyi, Dezhou and Liaocheng prefecture.


RESULTS
48877 children aged < or =14 were investigated. The incidence of varicella was 2841.83/100,100 The incidence of varicella was different between prefectures, and it was between 719.02/100,000 to 4394155/100,000. The peak age of incidence was 5 to 9 age group children.


CONCLUSIONS
The incidence of varicella was high in Shandong province, the incidence was difierent between areas and age groups.
Liu
Gui-fang
GF
Shandong Provincial Center for Disease Control and Prevention, Jinan 250014, Shandong, China.
Song
Li-zhi
LZ
Feng
Lei
L
D000293:Adolescent; D017677:Age Distribution; D002644:Chickenpox / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D002681:China / Q000453:epidemiology; D005260:Female; D006801:Humans; D015994:Incidence; D007223:Infant; D008297:Male; D011159:Population Surveillance