نتایج جستجو برای: viral infection
تعداد نتایج: 555358 فیلتر نتایج به سال:
context several risk factors play the role in the development of hepatocellular carcinoma (hcc) from which chronic hepatitis b and c infections are the most important ones. dna integration of hepatitis viruses alters the function of critical genes promoting malignant transformation of virus-infected liver cells. evidence acquisition there are remarkable geographic differences in prevalence of c...
according to statistical data from who, respiratory tract infections are among the most important health problems all over the world. differentiating viral from other causes of respiratory infections is difficult, but a good knowledge of viral etiologic factors can guide the physicians in the diagnosis and treatment of the disease. we carried out this descriptive, case-series study to evaluate ...
background and aims: adenovirus is one of the causative agents of viral conjunctivitis. approximately an average of 40% of viral conjunctivitis is due to adenovirus infection. the rate of infection is usually the highest during the spring and summer months. in this study attempt was made to evaluate the incidence of conjunctivitis due to adenovirus infection in patients referred to one of the a...
Introduction: The exact cause of most autoimmune diseases is still unknown; however, several factors play a role in causing or exacerbating autoimmune reactions. In addition to environmental factors such as bacterial, parasitic, fungal and viral infections, factors such as genetic characteristics and lifestyle are also included. Infections caused by viruses usually trigger a strong immune respo...
Viruses are important causes of acute and chronic diseases in humans. Newer viruses are still being discovered. Apart from frequently causing infections in the general community, many types of viruses are significant nosocomial pathogens that with emerging viruses has become a real issue in medical field. There are specific treatments, vaccine and physical barrier to fight some of these infecti...
Background and objective: Human is the only host of hepatitis C virus. This virus has a positive single stranded RNA and lipoprotein envelop that has 7 confirmed genotypes. According to studies, genotypes 1a, 3a and 1b are the most common genotypes in Iran. No effective vaccine against HCV infection has been developed instead, advances in antiviral treatment using drugs that directly affect spe...
Introduction: Occurrence of detectable amounts of viral antigen or viral particles in the blood of infected patients with Hepatitis B virus (HBV) is a significant characteristic of HBV infection. Detection of HBV antigen or its DNA among individuals of a community is a crucial factor to know the burden of HBV infection. Hepatitis B surface antigen (HBsAg) is a suitable marker of HBV infection b...
To the Editor—We read with interest the article by Blumental el al, ''Entero-viral Infection of a Cardiac Prosthetic Device'' [1]. The authors described a case of recurrent endocarditis in a 4-month-old boy with a Gore-Tex atrioventricular patch. They grew cox-sackievirus B2 from several specimens, including the removed patch, an in-tracardiac vegetation, and respiratory and stool samples, and ...
Background and Objective: Viral myocarditis (VMC) is one of the common heart diseases to endanger human health in different age groups, especially children. The aim of this study was to diagnose VMC in children with clinical suspicion of myocarditis (MCI) using multiplex real-time PCR in Birjand Vali-Asr Hospital. Methods: This cross-sectional study was conducted on 19 patients with clinical s...
Background and purpose: The need to find new antiviral compounds is increasing due to the emergence of resistant strains and toxicity of currently available HIV drugs. In this research the inhibitory activity of a number of novel iron chelating compounds derived from 3-Hydroxy-4-pyridinosnes was studied. Materials and methods: Single cycle replicable (SCR) virion was produced by transfection o...
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