Results 31 to 40 of about 21,507 (222)

Occult hepatitis B virus infection

open access: yesWorld Journal of Hepatology, 2014
Occult hepatitis B virus (HBV) infection (OBI) refers to the presence of HBV DNA in the absence of detectable hepatitis B surface antigen. Since OBI was first described in the late 1970s, there has been increasing interest in this topic. The prevalence of OBI varies according to the different endemicity of HBV infection, cohort characteristics, and ...
Min-Sun, Kwak, Yoon Jun, Kim
openaire   +2 more sources

Occult hepatitis B infection: an evolutionary scenario [PDF]

open access: yesVirology Journal, 2008
Occult or latent hepatitis B virus (HBV) infection is defined as infection with detectable HBV DNA and undetectable surface antigen (HBsAg) in patients' blood. The cause of an overt HBV infection becoming an occult one is unknown. To gain insight into the mechanism of the development of occult infection, we compared the full-length HBV genome from a ...
van Hemert, Formijn J.   +3 more
openaire   +3 more sources

Impact of previous hepatitis B infection on the clinical outcomes from chronic hepatitis C? A population-level analysis [PDF]

open access: yes, 2018
Chronic coinfection with hepatitis C virus (HCV) and hepatitis B virus (HBV) is associated with adverse liver outcomes. The clinical impact of previous HBV infection on liver disease in HCV infection is unknown. We aimed at determining any association of
Allen, S.   +20 more
core   +4 more sources

Occult hepatitis B virus infection among injecting drug users in the Central-West Region of Brazil

open access: yesMemorias do Instituto Oswaldo Cruz, 2013
The prevalence of occult hepatitis B virus (HBV) infection was investigated in 149 hepatitis B surface antigen (HBsAg) negative injecting drug users (IDUs) in the Central-West Region of Brazil.
Márcia Alves Dias de Matos   +9 more
doaj   +3 more sources

Hepatitis B Blood Donor Screening Data: An Under-Recognized Resource for Canadian Public Health Surveillance

open access: yesViruses, 2023
Hepatitis B surveillance is essential to achieving Canada’s goal of eliminating hepatitis B by 2030. Hepatitis B rates, association of infection with vaccine age-eligibility, and risk factors were analyzed among 1,401,603 first-time Canadian blood donors
Sheila F. O’Brien   +9 more
doaj   +1 more source

Preferential association of hepatitis C virus with CD19+ B cells is mediated by complement system [PDF]

open access: yes, 2016
Extrahepatic disease manifestations are common in chronic hepatitis C virus (HCV) infection. The mechanism of HCV-related lymphoproliferative disorders is not fully understood.
Alter, Harvey J.   +7 more
core   +1 more source

Prevalence of Occult Hepatitis B Virus Infection in a Cohort of HIV-Positive Patients Resident in Sicily, Italy [PDF]

open access: yes, 2013
Occult hepatitis B virus (OBI) in HIV-infected groups is still debated, as well as the associated risk-factors and clinical significance. In this paper, we examined a total of 405 HBsAg-negative/HIV-infected patients enrolled from January 2007 to ...
Colomba, GME   +4 more
core   +2 more sources

СКРЫТЫЙ ГЕПАТИТ В: КЛИНИЧЕСКОЕ ЗНАЧЕНИЕ И ПРОБЛЕМЫ ДИАГНОСТИКИ

open access: yesАрхивъ внутренней медицины, 2012
In this report we present current data on prevalence, clinical significance and methods of diagnostics of occult hepatitis B. Mechanisms of occult hepatitis B formation are reviewed, among which the most important is co-infection with other hepatotropic ...
И. А. Морозов   +8 more
doaj   +1 more source

Clinical, epidemiological and virological features of acute hepatitis B in Italy [PDF]

open access: yes, 2015
Purpose To evaluate the association of hepatitis B virus (HBV) genotypes, basal core promoter (BCP)/precore (PC) and S gene mutations with the clinical-epidemiological characteristics of acute hepatitis B (AHB) in Italy.
Alessandro Remo Zanetti   +10 more
core   +1 more source

Occult Hepatitis B (OBH) in Clinical Settings [PDF]

open access: yesHepatitis Monthly, 2012
Occult hepatitis B (OHB), or persistent HBV DNA in patients who are hepatitis B surface antigen (HBsAg) negative, is a recently recognized entity. In an attempt to summarize the issues, this review presents an overview of the current proposed hypothesis on the clinical relevance and also updates the knowledge on the classification of OHB in different ...
Alavian, Seyed Moayed   +3 more
openaire   +2 more sources

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