Epidemiological characteristics of hepatitis C in Henan province / 中华流行病学杂志

<p><b>OBJECTIVE</b>To understand the epidemiological characteristics of hepatitis C in Henan province.</p><p><b>METHODS</b>Multistage sampling was used to investigate a group of 1-75 year-old general population, living in 30 districts of 18 cities, Henan province. Blood samples were collected and tested for anti-HCV and hepatitis C virus(HCV), from April to July 2012.</p><p><b>RESULTS</b>32 203 persons were investigated. Among the general population aged 1 to 75 years old, the overall prevalence rates of anti-HCV and HCV RNA were 0.64% and 0.35% respectively. The prevalence rates of anti-HCV among males and females were 0.60%, and 0.68% respectively, with the rates of HCV RNA as 0.37%, and 0.33% respectively. The prevalence rates of anti-HCV and HCV RNA were increasing with age. The prevalence rates of anti-HCV and HCV RNA in urban area were 0.58% and 0.32%, and in rural area as 0.41%, and 0.19% respectively.</p><p><b>CONCLUSION</b>After the implementation of comprehensive measures for HCV control and prevention, Henan province became low prevalent for HCV infection. Our data revealed that the overall prevalence remained low, but the epidemic was severe in some geographical regions in Henan province.</p>

Survey and analysis on the epidemic situation of brucellosis in Zaodian Village of Jiaozuo City.Henan Province in 2007 / 中国地方病学杂志

Objective To investigate the status of infection of brucellosis in Zaodian village of Jiaozuo City,Henan Province and to analyze sources of intection and route of transmission.Methods The general information was collected through interview to search for cases and relevant information through census.infection stains of key crowd was determined through tube agglutination test(SAT)serum examination.Case-control method was used to analyze sources of infection and route of transmission.The risk factors were analyzed using logistic regressioa.Results Infectious rate of key crowd in Zaodian Village was 6.26%(27/431).Among 32 cases found since 2003,the proportion Was 7:1 between female and male.Brucellosis mainly occurred in the crowd aged 30 and 40[34.38%(11/32)].Most of them engaged in raising and slaughtering sheep.Contacting dead lamb.internal organs,meat,and blood were the main route of transmission,Contacting dead lamb,raising,and slaughtering were the risk factors showed by the logistic regression analysis(OR=8.28,5.85,2.96,P＜0.05).Condusions,Theprimary cause of brucellosis infection in Zaodian Village is due to failure of the necessary quarantine and immune on animals.The diseased animal as a constant source of infection,lack of self-protection awareness lead to continuous occurrence of the disease.