نتایج جستجو برای: ویروس آبله مرغان وزونا vzv
تعداد نتایج: 6276 فیلتر نتایج به سال:
Recurrent varicella infection is rare but has been reported in immunocompromised patients. We present a patient with atypical recurrent varicella infection who had disseminated central crusting papular lesions without dermatomal distribution. Serology showed previous varicella zoster virus (VZV) infection and the lesions were positive for VZV DNA, consistent with recurrent VZV infection. Atypic...
Immunity to childhood diseases is maintained for decades by mechanisms that, at present, are still unclear. We longitudinally studied immune responses in 16 adults exposed to children experiencing varicella (chicken pox). None of the individuals showed clinical signs of infection, and varicella-zoster virus (VZV) DNA could not be detected in peripheral blood or cultured from nasopharyngeal swab...
Primary varicella-zoster virus (VZV) infection is a benign self-limited disease. In this study, we review our experience in focusing on the outcome and treatment of VZV infection in pediatric malignancy patients. During the study period, a total of 41 patients with pediatric malignancy had been hospitalized with the diagnosis of VZV infection. All the patients were treated with intravenous acyc...
BACKGROUND Multiple sclerosis (MS) is the most common neurological autoimmune disease, characterized by multifocal areas of inflammatory demyelination within the central nervous system. It has been hypothesized that the stimulation of the immune system by viral infections is the leading cause of MS among susceptible individuals. OBJECTIVES The aim of this study was to investigate the prevalen...
Reactivation of the varicella zoster virus (VZV) increases during aging. Although the effects of VZV reactivation are observed in the skin (shingles), the number and functional capacity of cutaneous VZV-specific T cells have not been investigated. The numbers of circulating IFN-γ-secreting VZV-specific CD4(+) T cells are significantly decreased in old subjects. However, other measures of VZV-sp...
BACKGROUND Because experimental acute retinal necrosis (ARN) induced by herpes simplex virus in mice develops only if mice fail to acquire virus-specific delayed hypersensitivity (DH), although they produce antiviral antibodies (ie, anterior chamber-associated immune deviation), we sought to determine whether a similar inverse correlation exists for patients with varicella-zoster virus (VZV)-in...
Although the usual clinical features of the varicella zoster virus (VZV)-induced lesions are readily recognized, the same virus is also responsible for a series of atypical lesions. A patient is presented with a single large infiltrated plaque on the abdomen. Although histology showed a necrotizing folliculitis surrounded by a dense perifollicular inflammatory infiltrate, the clinical presentat...
Fifty-four patients with herpes zoster were treated with valacyclovir. On treatment days 1, 8, and 15, pain was scored and saliva examined for varicella-zoster virus (VZV) DNA. VZV DNA was found in every patient the day treatment was started and later disappeared in 82%. There was a positive correlation between the presence of VZV DNA and pain and between VZV DNA copy number and pain (P <.0005)...
We sought to investigate the effects of varicella-zoster virus (VZV) infection on gamma interferon (IFN-gamma)-stimulated expression of cell surface major histocompatibility complex (MHC) class II molecules on human fibroblasts. IFN-gamma treatment induced cell surface MHC class II expression on 60 to 86% of uninfected cells, compared to 20 to 30% of cells which had been infected with VZV prior...
Introduction Herpes zoster, which can have a major impact on quality of life, results from reactivation of a latent varicella zoster virus (VZV) infection. We hypothesized that giant cell arteritis (GCA) patients are at increased risk of herpes zoster because of treatment with high-dose glucocorticoids and advanced age. Aim of the study, therefore, was to determine cell-mediated and humoral imm...
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