نتایج جستجو برای: human immunodificiency virus
تعداد نتایج: 1929577 فیلتر نتایج به سال:
the co-existence of acquired immune deficiency syndrome (aids) and tuberculosis is a major cause of morbidity and mortality because of a widespread organ involvement. the gastrointestinal tract is a common site for localization of opportunistic microorganisms in aids. however, surgical abdominal emergencies such as intestinal perforation resulted from tuberculosis are uncommon in these pat...
Cancer is a complex group of diseases with multiple eventual causes. The underlying causes are not fully known. Thus, learning more about the known causes of cancer is an important issue. Moreover, among these factors, infection and its association to cancers is controversial. Although, it seems that the genome instability of the cells can initiate cancer development. The purpose of this review...
Background:Nowadays, one of the main challenges of the blood transfusion organization is the procurement, distribution, and monitoring of the appropriate use of blood and its products. Therefore, the aim of this study was to investigate the prevalence of Transfusion Transmitted Infections (TTIs) including human immunodeficiency virus (HIV+), hepatitis B virus (HBV+), and hepati...
background and aims: influenza a virus infects birds and some mammalian including human. h1 and h3 subtypes are circulated in both human and birds’ population. to determine the prevalence of the mentioned subtypes in birds, different captive bird species in tehran zoo, and affiliated centers in tehran were investigated for virus infection. methods: in this study, between november 2008 and febru...
radiological features of human infection with avian influenza a h7n9 virus: a report of three cases.
human infection with avian influenza a h7n9 virus has emerged in china with high morbidity rates. patients usually present with severe and rapidly progressive pneumonia. therefore, radiological findings are important to diagnose and evaluate disease severity. the clinical characteristics of three new cases of h7n9 virus infection were analyzed, especially the radiological findings, and previous...
three differentes continous cell lines (am 57. hela • vero) and primary cell culture of human embryo kidney are compared with regard to their .susceptibility for isolation of mumps v i r u s from saliva and cerebrospinal fluid. for this purfose the vero cell line appeared to be more suitable among the studied cell systems regarding the following reasons: it allows the highest pourcentage of mum...
SARS-CoV-2 infection in minks has become a serious problem, as the virus may mutate and reinfect humans; some countries have decided to cull minks. Here, sequencing data were analysed compared those of human-virus. Although mink-virus maintained characteristics human-virus, variants rapidly mutated, adapting Some mink-derived infected humans, which accounted for 40% total cases Netherlands. The...
objective: grape virus diseases are a serious problem in iran. leaves and fruits of grape have been used for different purposes like cooking in iran. the present investigation was carried out to study on the cytotoxic-activities of extracts of fruits and leaves of vitis vinifera from both virus-free and virus-infected grape cultivars against breast cancer cell line (mda-mb-231) and human embryo...
background and aims: rubella virus is a human pathogen that causes congenital rubella syndrome (crs) when infection occurs during early pregnancy. vaccination programs have been remarkably successful in controlling natural rubella infection and crs. moreover, ongoing surveillance for all cases of rubella and crs is a vital component of a prevention program. although the who recommends the use o...
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