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1.
Chinese Journal of Epidemiology ; (12): 872-874, 2007.
Artigo em Chinês | WPRIM | ID: wpr-322906

RESUMO

<p><b>OBJECTIVE</b>To better understand the proportions of reported hepatitis B cases in pilot surveillance cites through investigation and laboratory testing.</p><p><b>METHODS</b>To confirm the reported cases of hepatitis B by collecting blood specimen and laboratory testing on HBsAg, IgM of Anti-HBc, Anti-HAV in 18 pilot surveillance counties.</p><p><b>RESULTS</b>Among 2858 cases of hepatitis B reported in 2006, 23.97% of them were reported as suspected acute cases, 14.87% as acute cases, 20.33% as suspected chronic cases, 34.67% as chronic cases, 4.09% as cirrhosis and 2.06% as HCC. Among 1681 reported hepatitis B cases confirmed by laboratory testing, results showed that 24.16% of them were diagnosed as acute hepatitis B, but only 15.37% were confirmed as acute hepatitis B. Although the proportion confirmed as hepatitis B kept consistent as before, misclassification was found.</p><p><b>CONCLUSION</b>In current surveillance system, reported hepatitis B cases were mainly chronic, only up to one third belonged to acute hepatitis B. The reported incidence of hepatitis B did not reflect the real incidence due to misclassification. To better define the burden on hepatitis B disease, it was necessary and urgent to revise the diagnostic criteria and to conduct surveillance on hepatitis B, under separate reporting categories which including acute and chronic cases of the disease.</p>


Assuntos
Humanos , China , Epidemiologia , Hepatite B , Diagnóstico , Epidemiologia , Anticorpos Anti-Hepatite B , Sangue , Incidência , Projetos Piloto , Vigilância da População
2.
Chinese Journal of Epidemiology ; (12): 761-764, 2007.
Artigo em Chinês | WPRIM | ID: wpr-294242

RESUMO

<p><b>OBJECTIVE</b>To understand the epidemiological characteristics of measles in Henan province during 2004-2006 and to evaluate the quality of measles special report system (MSS) in order to provide evidence for strategies and measures development for measles prevention and control.</p><p><b>METHODS</b>Data were collected from the National Notifiable Disease Report System (NNDRS) and MSS on epidemiological characteristics of measles in Henan province during 2004-2006.</p><p><b>RESULTS</b>The sensitivity of MSS was lower than that of NNDRS in Henan province during 2004-2006. The incidence of measles appeared to be 2.54/100 000 in 2004 increased to 8/100 000 during 2005-2006. The incidence of measles was higher in the central part of the province during the recent years with cases concentrated in March to May every year. The percentage of cases from age groups < 8 months and 8 months to 1 year olds increased yearly. All the cases with no or unclear vaccination record took up 77.13%, with 18.23% of the measles cases fell into the floating population.</p><p><b>CONCLUSION</b>Improving the 2 doses and timely coverage rate of the first dose of measles vaccine strategy was essential for measles control and prevention. In order to improve the quality of measles surveillance program, the advantage of MSS and NNDRS should be integrated.</p>


Assuntos
Adolescente , Criança , Pré-Escolar , Humanos , Lactente , China , Epidemiologia , Incidência , Sarampo , Epidemiologia , Vigilância da População
3.
Chinese Journal of Epidemiology ; (12): 229-231, 2004.
Artigo em Chinês | WPRIM | ID: wpr-342348

RESUMO

<p><b>OBJECTIVE</b>To evaluate the authenticity of the parents' memory on their children's immunization status.</p><p><b>METHODS</b>Two counties and 1 district in each of the 18 prefectures were selected, and parents of the children 1 - 2 years old, residents in counties or floating in district, were studied on the authenticity of their memory regarding their children's immunization status.</p><p><b>RESULTS</b>The rates of inoculation with all the four expanded programme on immunization (EPI) vaccines were 89.7% in the whole province, and 77.9% among floating children. The authenticity of the reply from parents on their children, inoculation status with vaccines was above 96%. However, less than 50% of the parents could remember what specific vaccines that their children had received. The authenticity of parents' memory was higher in the parents with high school or college education than those who were illiterates or only having had elementary school education. Mothers had better memory than the fathers. Of the children whose parents could not remember the vaccination status, 97% of them had been inoculated.</p><p><b>CONCLUSION</b>The definite answer of parents to children's immunization status had high creditability, especially when the mothers having had more schooling. Those children whose parents failed to remember whether vaccination had been received should not be ranked as unimmuned.</p>


Assuntos
Humanos , Lactente , Estudos Transversais , Imunização , Esquemas de Imunização , Memória , Relações Pais-Filho , Poder Familiar , Psicologia , Classe Social
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