Impact of vaccination in the reduction of hepatitis B in Paraná

Abstract

This study identified the impact of hepatitis B vaccine over reducing incidence of this disease in Paraná State, between 2001 and 2011, and discussed the role of nursing in immunization. Descriptive documental and quantitative research. Utilized secondary data of hepatitis B, between 2001 and 2011 and vaccination coverage of hepatitis B vaccine between 1995 and 2011 in Paraná State, available in DATASUS, SINAN and Immunization Programs. Data has been collectedfrom May to July 2012. Included cases of hepatitis B confirmed by laboratory testing. Of the 14,434 selected cases, 81.8% was in urban residents, 86.5% belonged to 20 to 59 age group and 45.3% were infected by sexual transmission. In the correlation of vaccine coverage with the incidence, was identified reducing this rate in the range of 0 to 9 years old, in places with vaccination coverage's above 95%. It concludes that hepatitis B vaccination had impact over disease reduction in Paraná State.

Análise do perfil sociodemográfico de notificados para hepatite B e imunização contra a doença Sociodemographic analysis of reported hepatitis B and immunization against the disease

“…Other research done in the country, also confirm the higher prevalence in adults, the age group between 20 and 40 as the most affected and that can relate to increased risk of infection through sexual intercourse. 6 Unlike the present study, we found a very small number of adolescents affected by hepatitis B, only three cases in the period of almost a decade.…”

“…12 The frequency found for children and adolescents in this study, was also low (5.3%), as well as in the survey conducted between 2001-2011, Paraná, who observed small values in the age group of zero to nine years, which It reflects the good response to immunization performed in children. Already, the higher age groups have higher incidences, both for non-vaccination in these ages, which were not initially covered by the vaccine basic calendar, which implemented the vaccine against HB, but also at higher risk of infection through sexual transmission, 6 as previously stated.…”

“…The complete vaccine scheme showed a higher frequency among male reported in adults and between those who have the 2 nd degree incomplete, with no statistical difference (Table 4). Hepatitis B is a disease that affects people around the world and presents itself as a public health problem, because of their ability to become chronic, causing liver cirrhosis and hepatocellular carcinoma, it is considered the most severe viral hepatitis, 6 so it is essential to adopt educational measures and prevention, control and treatment of this pathology in order to reduce cases.…”

Clinical And Epidemiological Aspects Of Hepatitis B Virus And Hepatitis C Virus In Fortaleza-Ceara

“…This high influence stands out in the productive and sexually active age groups, corroborating some studies [20][21][22]. Sexual risk behavior coupled with other factors may contribute to the concentration of the disease in these age groups [23].…”

Ocorrência De Eventos Adversos Pós-Vacinação Em Idosos

“…Estudos revelam a ocorrência de doenças imunopreveníveis em idosos, como pneumonia, influenza (2) , tétano (3) e hepatite B (4) . Muitos casos identificados apresentavam esquema vacinal incompleto ou inexistente (5) , demonstrando a necessidade de melhorar o acesso à vacinação para este grupo populacional.…”