Results: 124

Novel fluoronucleoside analog NCC inhibits lamivudine-resistant hepatitis B virus in a hepatocyte model

Braz. j. infect. dis; 22 (6), 2018
ABSTRACT Antiviral drug resistance is the most important factor contributing to treatment failure using nucleos(t)ide analogs such as lamivudine for chronic infection with hepatitis B virus (HBV). Development of a system supporting efficient replication of clinically resistant HBV strains is imperative, ...

HBV epidemiology and genetic diversity in an area of high prevalence of hepatitis B in southern Brazil

Braz. j. infect. dis; 22 (4), 2018
ABSTRACT Background Hepatitis B virus (HBV) infection is a major public health problem in Brazil. HBV endemicity is usually moderate to low according to geographic regions, and high prevalence of this virus has been reported in people of some specific Brazilian counties, including those with a strong in...

Discriminación y prejuicio. La influencia del VIH/SIDA y la Hepatitis B en la actitud de los académicos en odontología

Resumen Introducción: la Hepatitis B y el Síndrome de Inmunodeficiencia Adquirida (SIDA) son enfermedades virales de destaque en salud pública, debido a sus elevados índices epidemiológicos. La representación de ellas genera actitudes discriminatorias y prejuiciosas, principalmente en el acceso a...

High-risk behaviors for hepatitis B and C infections among female sex workers

Abstract INTRODUCTION: The prevalence of hepatitis B and hepatitis C and risk behaviors among 402 female sex workers in Central Brazil were investigated by respondent-driven sampling. METHODS: Blood samples were tested for hepatitis B and C markers by enzyme-linked immunosorbent assay. Two hepatitis ...

Atypical crusted scabies in a patient with chronic liver disease caused by hepatitis B and D viruses

An. bras. dermatol; 93 (2), 2018
Abstract: Crusted scabies is a less common variant of scabies that is highly contagious, difficult to treat and involves infestation by Sarcoptes scabiei var. hominis. The classical clinical presentation includes crusted, scaly and generally non-pruritic lesions usually located on the head, neck, palmar,...

Detection of occult hepatitis B in serum and oral fluid samples

Mem. Inst. Oswaldo Cruz; 113 (1), 2018
In occult hepatitis B infection (OBI), hepatitis B virus DNA (HBV DNA) can be detected in serum samples; however, oral fluid collection for detection of HBV DNA has not yet been explored, despite the availability of collection devices. Serum and oral fluid samples from 45 hepatitis B core antibody (anti-...

A hepatite B na região de São José do Rio Preto: estudo de genótipos e subgenótipos circulantes

As Hepatites virais representam um grave problema de sa úde pública no mundo, pelo número de indivíduos atingidos , pela s formas graves e mortalidade. Aproximadamente um terç o da população mundial atual já se expôs ao vírus da hepatite B, e estima se que 248 milhões de pessoas estejam infect...

Hepatitis B status in hemodialysis patients

Arq. gastroenterol; 54 (4), 2017
ABSTRACT BACKGROUND: Patients on chronic dialysis present a high prevalence of hepatitis B virus infection. Despite infection-control practices, surveillance of serological markers, and hepatitis B vaccination, there are still outbreaks of the disease in dialysis centers. OBJECTIVE: This study aims to...

Hepatite B na Bahia, Brasil segundo sistema de informação de agravos de notificação, 2013

Objetivo: estudar os aspectos sócio-demográficos e epidemiológicos da hepatite B no estado da Bahia e avaliar a metodologia da notificação. Metodologia: em estudo descritivo foram avaliados os registros dados de pacientes do estado da Bahia notificados com hepatite B no Sistema de Informação de Ag...

Identification of hepatitis B virus A1762T/G1764A double mutant strain in patients in Southern Brazil

Braz. j. infect. dis; 21 (5), 2017
Abstract Infection by hepatitis B virus (HBV) is a worldwide public health problem. Chronic HBV infection with high viral replication may lead to cirrhosis and/or hepatocellular carcinoma. Mutant HBV strains, such as the HBV A1762T/G1764A double mutant, have been associated with poor prognosis and higher...