نتایج جستجو برای: rubella virus
تعداد نتایج: 401292 فیلتر نتایج به سال:
Infection with rubella virus during pregnancy, especially during the first trimester, can result in congenital rubella syndrome (CRS). Serious manifestations of CRS include deafness, cataracts, cardiac defects, mental retardation, and death. In the last major rubella epidemic in the United States, during 1964-1965, an estimated 12.5 million rubella virus infections resulted in 11,250 therapeuti...
BACKGROUND Few population-based studies of infectious etiologies of fever-rash illnesses have been conducted. This study reports on enhanced febrile-rash illness surveillance in Campinas, Brazil, a setting of low measles and rubella virus transmission. METHODS Cases of febrile-rash illnesses in individuals aged <40 years that occurred during the period 1 May 2003-30 May 2004 were reported. Bl...
objective: a descriptive study was carried out to determine the significance of igg-affinity in the serological diagnosis of rubella infections in pregnancy. materials and methods: a total of 92 pregnant women who had never received antirubella vaccines were recruited by simple random selection and did not exceed 24 weeks of gestation were recruited from the antenatal clinics of the university ...
background: morphological changes of the cells infected with rubella virus cannot be observed easily. estimation of the size of the cultured cells can be a valuable parameter in this condition. this study was conducted to find answers to the following questions: how much time after infection with rubella virus, the volume and surface area of the vero cells and their nuclei get started to change...
Spontaneous rubella carrier cultures derived from tissues of infants with congenital rubella were studied in an attempt to elucidate a possible mechanism for viral persistence observed in these infants. Chronically infected cells were found to have a reduced growth rate and the cultures appeared to have a shortened life span. The rubella carrier state was not dependent on serum inhibitors or ru...
background and aims: rubella is a contagious viral disease mostly with mild clinical symptoms and often remains undiagnosed. rubella infection may adversely affect pregnancy, especially in the first trimester and this mother to child transmission can cause congenital rubella and may be lead to permanent disability and mortality in children. effective rubella vaccine should be prepared using sui...
INTRODUCTION//BACKGROUND The lack of standardization of the currently used commercial anti-rubella IgG antibody assays leads to frequent misinterpretation of results for samples with low/equivocal antibody concentration. The use of alternative approaches in rubella serology could add new information leading to a fuller understanding of rubella protective immunity and neutralizing antibody respo...
The response of synovial lymphocytes from a 65-year-old lady with persistent polyarthritis, to rubella antigen and a number of other microbial agents was studied over a period of 11 months by [3H]thymidine incorporation. The results were correlated with the ability to isolate rubella virus from both peripheral blood and synovial fluid during the same period. The patient showed initially a maxim...
Rubella virus is a member of family Togaviridae that usually causes a mild, self limiting infection in children and adults. The virus is of high public health significance owing to its ability to cause congenital rubella syndrome (CRS), abortion and still births. The clinical spectrum of CRS includes complete or partial blindness, sensorineural hearing defects, mental retardation, psychomotor d...
Ten patients with chronic liver disease, seven healthy seropositive individuals with a remote history of rubella, and three patients with acute rubella were examined for serum levels of IgG subclasses and subclass antibodies against rubella virus structural proteins. One patient with AICAH had no detectable total or rubella specific IgG3 or IgG4. The liver disease patients were hypergammaglobul...
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