{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,18]],"date-time":"2026-07-18T06:42:53Z","timestamp":1784356973133,"version":"3.55.0"},"reference-count":41,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2017,7,17]],"date-time":"2017-07-17T00:00:00Z","timestamp":1500249600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002322","name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100002322","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003593","name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003593","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100006507","name":"Funda\u00e7\u00e3o Oswaldo Cruz","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100006507","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100006506","name":"Minist\u00e9rio da Sa\u00fade","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100006506","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJERPH"],"abstract":"<jats:p>Background: HBV (Hepatitis B Virus) and HCV (Hepatitis C Virus) infections are more prevalent in vulnerable populations than the general population. The objective of this study was to investigate the prevalence of HBV and HCV infection in HIV-positive patients (GI), chronic renal failure (CRF) patients (GII) and coagulation disorder individuals (GIII). Methods: A cross-sectional study was conducted from June 2014 to March 2015. Serum samples were tested for markers of hepatitis B and C by enzyme-linked immunosorbent assay (ELISA). Sociodemographic, epidemiological, clinical and laboratory data and accompanying statistical analyses were performed using Epi Info\u2122 7. Results: A total of 348 individuals were recruited, i.e., 154 HIV-positive, 143 CRF and 51 coagulopathy patients. Among them, more than 66% were men, and the predominant age group was 26\u201335 years in GI and 56\u201365 years in GIII. Most patients had more than 8 years of education (66.2% in GI, 60.6% in GIII and 46.1% in GII), with a family income between 100\u2013400 dollars in more than 48% of patients. The prevalence of the HBsAg marker was 3.9%, 7% and 3.9%, total anti-HBc was 28.6%, 55.9% and 31.4%, and anti-HCV was 1.3%, 12.6% and 47% for GI, GII and GIII, respectively. However, the prevalence of anti-HBs was greater than 70% in all groups. Conclusions: This study shows a high prevalence of HBV and HCV among specific groups compared to the general population. Factors such as age, income, number of sexual partners, sexually transmitted disease burden, blood transfusion history or blood products and blood transfusions before 1994 were associated with a higher prevalence for these infections.<\/jats:p>","DOI":"10.3390\/ijerph14070793","type":"journal-article","created":{"date-parts":[[2017,7,18]],"date-time":"2017-07-18T03:45:16Z","timestamp":1500349516000},"page":"793","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Cross-Sectional Study to Determine the Prevalence of Hepatitis B and C Virus Infection in High Risk Groups in the Northeast Region of Brazil"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6238-7173","authenticated-orcid":false,"given":"Jakeline","family":"Ribeiro Barbosa","sequence":"first","affiliation":[{"name":"Viral Hepatitis Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro 21040-900, Brazil"},{"name":"Postgraduate Programme in Pathology, Federal University of Cear\u00e1 State, Fortaleza CE 60430-160, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cristianne","family":"Sousa Bezerra","sequence":"additional","affiliation":[{"name":"Viral Hepatitis Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro 21040-900, Brazil"},{"name":"Postgraduate Programme in Pathology, Federal University of Cear\u00e1 State, Fortaleza CE 60430-160, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Filipe","family":"Carvalho-Costa","sequence":"additional","affiliation":[{"name":"Laboratory of Epidemiology and Molecular Systematics, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro 21040-900, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carolina","family":"Pimentel de Azevedo","sequence":"additional","affiliation":[{"name":"Viral Hepatitis Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro 21040-900, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Geane","family":"Lopes Flores","sequence":"additional","affiliation":[{"name":"Viral Hepatitis Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro 21040-900, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1367-6272","authenticated-orcid":false,"given":"Jeov\u00e1","family":"Baima Colares","sequence":"additional","affiliation":[{"name":"Postgraduate Programme in Pathology, Federal University of Cear\u00e1 State, Fortaleza CE 60430-160, Brazil"},{"name":"Postgraduate Programme in Medical Sciences, University of Fortaleza, Fortaleza CE 60811-905, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2734-6768","authenticated-orcid":false,"given":"Danielle","family":"Malta Lima","sequence":"additional","affiliation":[{"name":"Postgraduate Programme in Pathology, Federal University of Cear\u00e1 State, Fortaleza CE 60430-160, Brazil"},{"name":"Postgraduate Programme in Medical Sciences, University of Fortaleza, Fortaleza CE 60811-905, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elisabeth","family":"Lampe","sequence":"additional","affiliation":[{"name":"Viral Hepatitis Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro 21040-900, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"L\u00edvia","family":"Melo Villar","sequence":"additional","affiliation":[{"name":"Viral Hepatitis Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro 21040-900, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2017,7,17]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"17","DOI":"10.1055\/s-2004-828674","article-title":"The natural history of chronic hepatitis B virus infection","volume":"24","author":"McMahon","year":"2004","journal-title":"Semin. 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