Results 11 to 20 of about 63,770 (211)
Microbiologia Medica, 2010 The presence of hepatitis B virus genome in HBsAg-negative subjects is known as “occult infection” from HBV. Patients with occult infection may express markers of previous exposure to B virus (anti-HBs and / or anti-HBc positive). 20% is negative for all
Mariangela Spinosa, Pasquale Spagnuolo
doaj +3 more sources
Aktualʹnaâ Infektologiâ, 2018 The review focuses on terminology, causes, epidemiology, clinical significance of occult hepatitis B virus (HBV) infection (OBI). Attention is paid to the differences in the definitions of OBI given by the European, American and Asian-Pacific ...
I.A. Zaytsev
doaj +2 more sources
Occult hepatitis B infection: an evolutionary scenario [PDF]
Virology Journal, 2008 Background 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.
Lukashov Vladimir V +3 more
doaj +3 more sources
Occult Nosocomial Infections [PDF]
Infection Control & Hospital Epidemiology, 1998 Abstract Even with a good surveillance program, nosocomial infections may be not recognized because of several reasons: absence of symptoms or prolonged incubation period (eg, viral bloodborne infections, tuberculosis); problems with the microbiological diagnosis, because adequate specimens may be difficult to obtain or special ...
Petignat C, Blanc DS, Francioli P
openaire +5 more sources
Hepatitis B: Prevalence and occult infection in HIV-infected patients. [PDF]
Rev Soc Bras Med Trop, 2020 HBV and HIV have identical transmission routes. The aim of this study was to determine the prevalence of HBV in HIV patients and to detect the presence of occult HBV infection.All samples were tested for serology markers and using qPCR.This study included 232 individuals, out of which 36.6% presented with HBV markers and 11.8% presented with HBsAg or ...
Calux SJ +7 more
europepmc +6 more sources
Seminars in Immunopathology, 2012 The long-lasting persistence of hepatitis B virus (HBV) genomes in the liver (with detectable or undetectable HBV DNA in the serum) of individuals testing negative for the HBV surface antigen (HBsAg) is termed occult HBV infection (OBI). Although in a minority of cases the lack of HBsAg detection is due to infection with variant viruses unrecognized by
RAIMONDO, Giovanni +3 more
openaire +2 more sources
Iatreia, 2007 <p class="MsoNormal"><span style="font-size: 10pt; font-family: QuorumITCbyBT-Book">A number of risk factors appear to play a role in Hepatocellularcinoma (HCC), HBV infection being one of the most important.
Isabelle Chemin
doaj +2 more sources
The prevalence of occult hepatitis B virus (hbv) infection in a large multi-ethnic haemodialysis cohort. [PDF]
, 2015 Haemodialysis patients are at increased risk of exposure to blood borne viruses. To reduce transmission in the UK, all haemodialysis patients are regularly screened, and if susceptible to Hepatitis B virus (HBV) infection ...
Cross, J +6 more
core +1 more source
Fecal occult blood and fecal calprotectin as point-of-care markers of intestinal morbidity in Ugandan children with Schistosoma mansoni infection. [PDF]
, 2013 BACKGROUND: Calprotectin is a calcium-binding cytoplasmic protein found in neutrophils and increasingly used as a marker of bowel inflammation. Fecal occult blood (FOB) is also a dependable indicator of bowel morbidity.
A Diamanti +44 more
core +7 more sources
Chronic Diseases and Translational Medicine, 2016 Objective: Previous studies have revealed inconsistent results regarding the association between occult hepatitis B virus (HBV) infection and chronic kidney disease (CKD).
Xiang-Lei Kong +3 more
doaj +1 more source