نتایج جستجو برای: Hepatitis B
تعداد نتایج: 956172 فیلتر نتایج به سال:
One of the most serious kinds of hepatitis is hepatitis B. This condition is more common than AIDS, and is 100 time more contagious. In Iran the most common cause of acute and chronic hepatitis, liver cirrhosis, and also hepatocellar carcinoma in adults, is hepatitis B. more than two billion people are infected and more than 350 million of individuals are carriers of this virus in the entire wo...
introduction: intravenous drug users as a serious health problem in communities have economical and social effects as well as health and hygienic complications. viral infections may be transmitted through drug injection by shared syringes among users. the aim of this study has been to determine the relative frequency of hbv, hcv and hiv infection’s markers as epidemiological data in ahvaz. mate...
hepatitis c virus (hcv) infection is highly prevalent in thalassemic patients, and this may decrease the serum antibody response to hepatitis b virus (hbv) vaccine. there is also some alteration of the immune system in multi-transfused thalassemic patients, as a consequence of iron overload. we investigated whether hcy infection may reduce the effectiveness of hby vaccine in multi - transfused ...
background and aim: hepatitis b is a major health problem in the world and also in our country, iran. presence in war zones is among the most important risk factors for developing hepatitis b. this study was conducted to compare liver enzymes variations and hepatitis b risk factors among military and civilian chronic carriers of hepatitis b. methods: this was a cross-sectional descriptive-analy...
Hepatitis B virus(HBV) is the cause of hepatitis and hepatic cancer. Each year more than 800 thousands die from HBV infection and its complication in the world. More than 350 million people are the career of this virus in the world and careers are the main source of this disease in community. Approximately 3% of Iranians are virus career, but in USA and Western European countries this rate ...
INTRODUCTION Co-infections between hepatitis B and HIV viruses are frequent due to their similar epidemiological characteristics. Worldwide, hepatitis B infection is one of the main causes of hepatocellular carcinoma and cirrhosis. In Cuba as elsewhere, prevalences of hepatitis B and hepatitis C viral infections are higher in persons with HIV. These hepatitis viruses act as opportunistic infect...
introduction: dental students are high risks persons in exposing to hepatitis b infection. dental students knowledge and attitude about hepatitis b infection is necessary for assessment the educational evaluation and supervision of dental treatments. the aim was to survey the knowledge and attitude in the final year students of dental schools in tehran regarding hepatitis b infection control an...
conclusions the results showed a declining trend in anti-hbsab titers over the time after vaccination against hepatitis b virus in our region. further studies are warranted to establish the need for a booster dose in cases that are at risk of hepatitis b virus infection. results hepatitis b seroprotection rates (anti hbsab ≥ 10 iu/l) among vaccinated children and adolescents aged 1 and 18 years...
Abstract Background: Vaccination against hepatitis B surface antigen is the most effective way for prevention and has the capability to induce protective antibody levels (> 10 IU per liter) for most vaccinated people, but antibody titer has been shown to decrease over time. It is highly important to investigate this subject especially in the medical community and related professions as high-ris...
Background: Hepatitis B is the most common blood-borne viral infection that is considered as a major public health problem of the world's major health problems. The aim of this study was to investigate the prevalence of hepatitis B virus (HBV) infection among blood donors referring to blood transfusion centers. Methods: This retrospective cross-sectional study was performed on 216004 volunteer...
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