![]() Half these patients show no liver disease, being called healthy carriers but the other half present varijing intensity of inflammatory activity in the liver for many years and may develop liver cirrhosis and/or hepatocellular carcinoma in the later stages of the disease 2. ![]() Classically, it is accepted that acute HBV infection can be cured in from 90 to 95% of cases and that it is a chronic carrier in the remaining 5 to 10%. Only 20% develop jaundice and about 0.2% of the patients die from it. The HBV can cause acute and chronic liver disease after an incubation period of from 45 to 180 days, when infected individuals develop acute hepatitis, frequently subclinical and anicteric. The World Health Organization (WHO) says that approximately 350 million people are chronic bcarre of this virus in several regions of the world about two million of them in Brazil 1. Infection by the hepatitis B virus (HBV) is one of the most serious problems of public health because of the great number of people infected by this etiological agent. Key words: transmission of hepatitis B virus universal precautions nursing staff. All the participants in this study had previonsly been immunized against HBV.ĬONCLUSION: the professionals in this study are prepared for the use of standard precautions. Only 2.63% of participants reported not knowing if some colleague had already been the victim of an accident with drill cutting materials. The use of personal protective equipment (PPE) was mentioned by 41.54 % of these professionals as a way of avoiding HBV infection. RESULTS: sexual intercourse was reported by most (24.57 %) of the nursing staff as a mode of transmission of HBV. The sample consisted of 38 numbers of the nursing staff of a Teaching Public Hospital in ABC (São Paulo) a form being used to make the data collection. METHODS: a quantitative study conducted in 2008. OBJECTIVES: to check the knowledge presented by the nursing staff on the mode of transmission of hepatitis B virus (HBV) and the resulting damage to human health and to identify the knowledge of the nursing staff on prevention measures used to avoid occupational infection by this virus and, further, to investigate the immunization situation of the nursing staff against HBV. INTRODUCTION: infection by the hepatitis B virus (HBV) is one of the most serious problems of public health because of the great number of people infected by this etiological agent. IIICurso de Gestão em Saúde Ambiental - Faculdade de Medicina do ABC (FMABC), Santo André, SP, Brasil IIEscola Paulista de Enfermagem - Universidade Federal de São Paulo (UNIFESP), São Paulo, (SP) Brasil ICurso de Enfermagem - Faculdade de Medicina do ABC (FMABC), Santo André, (SP) Brasil Occupational infection by the hepatitis b virus: risk and prevention measuresīruno Francisco Real de Lima I Maria Cristina Waffae II Elizabeth Niglio de Figueiredo II Rosangela Filipinni I Maria Claudia de Brito Luz II, III Ligia Ajaime Azzalis II, III Virginia Berlanga Campos Junqueira II, III Fernando Luiz Affonso Fonseca II, III Loide Corina Chaves I
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