BACKGROUND The duration of protection after hepatitis B vaccination in early infancy is unclear and may be related to vaccination schedule, dosage, vaccine type and population characteristics. Factors potentially influencing waning immunity were assessed. METHODS A systematic review was performed. The main outcomes were prevalence of anti-hepatits B antibodies ≥ 10 mIU/mL after primary or boo...

The impact of increasingly efficient antiretroviral therapy (ART) on survival and general well-being has contributed to a “business as usual” attitude to sex among men who have sex with men (MSM). There has been a recent marked increase of sexually transmitted infections (STI) including syphilis, LGV and Hepatits C among MSM. STIs located in the oral cavity or rectum are asymptomatic in over 80...

conclusions the comprehensive analysis of a protein with important roles has never been easy, and in case of e2 envelope glycoprotein of hgv, there is no much data on its molecular and immunological features, clinical significance and its pathogenic potential in hepatitis or any other gbv-c related diseases. so, results of the present study may explain some structural, physiological and immunol...

Background and Objective: Blood transfusion is a prevalent life-saving intervention that replaces blood or blood-products lost in severe malnutrition, infections, during surgical procedures, obstetrical emergencies and blood disorders or trauma. Transfusion of infected blood remains a public health concern. With all interventions aimed at reducing transfusion transmissible infections (TTIs), it...

In order to contribute to a better understanding of the possible role of hepatits B and C in the etiopathogenis of HCC in the East Amazon, there were studied 36 patients in Belém/PA. Serological hepatitis markers were evaluated and polymerase chain reaction assays were used to detect HBV-DNA and HCV-RNA. Alcohol abuse was observed in 33.3% and cirrhosis in 83.3%. In 88.9% of the sample, one or ...

This review has the objective to discuss the epidemiological aspects of the enterically transmitted hepatitis A and E in Brazil. The prevalence of hepatitis A varies greatly in different Brazilian regions, from 56% in South and Southeast to 93% in North region (Manaus, Amazon). Such differences are also found in different socioeconomic levels among age groups. A significantly higher prevalence ...