Title: Epidemiological characteristics of varicella outbreaks in primary schools of Dalian City in 2013
Abstract: Objective To understand the epidemiological characteristics of varicella outbreaks in primary schools of Dalian City so as to provide the evidence for formulating the effective prevention measures. Methods The data of varicella outbreaks in primary schools of Dalian City in 2013 were collected and analyzed with epidemiological method. Results A total of 19 varicella outbreaks in primary schools were reported in Dalian in 2013. There were 138 cases of varicella and the attack rate was 0. 63%. Most of the incidents occurred in April,May and December. There were 7 districts with the varicella outbreaks including 6 outbreaks in the urban( 48 cases,34. 78% of total cases) and 13 outbreaks in the rural-urban continuum( 90 cases,65. 22% of total cases). Most cases were concentrated in students from 6-11 years old( 134 cases). There were significantdifferences between the cases with immunization history and the cases without immunization history or unknown history in fever rate,and the rate of moderate and severe rash. Conclusions Primary schools are the main places of varicella outbreak occurring. The aimed health education and the epidemic monitoring in spring and winter should be strengthened.
Publication Year: 2014
Publication Date: 2014-01-01
Language: en
Type: article
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