نتایج جستجو برای: rubella
تعداد نتایج: 6226 فیلتر نتایج به سال:
Congenital rubella syndrome (CRS) can occur in children whose mothers contract the rubella virus, sometimes called German measles, during pregnancy [2]. Depending on the gestational period when the mother contracts rubella, an infant born with CRS may be unaffected by the virus or it may have severe developmental defects. The most severe effects of the virus on fetal development occur when the ...
In many developed countries, the incidence of rubella and congenital rubella syndrome (CRS) is considered to be negligible due to the availability of an effective vaccine. However, in Malaysia, several CRS cases are seen every year. This casts doubt on the effectiveness of the rubella vaccination programme. Very few seroprevalence studies were done over the years, making it difficult to discuss...
Introduction Rubella immunisation was introduced in the UK in 1970 with the aim of preventing congenital rubella syndrome (CRS) by the selective vaccination of schoolgirls and susceptible adult women. An augmented immunisation policy, aimed at eliminating circulating rubella by the mass vaccination of children of both sexes, was adopted in October 1988 with the introduction of the combined meas...
Congenital rubella syndrome (CRS) can occur in children whose mothers contract the rubella virus, sometimes called German measles, during pregnancy [2]. Depending on the gestational period when the mother contracts rubella, an infant born with CRS may be unaffected by the virus or it may have severe developmental defects. The most severe effects of the virus on fetal development occur when the ...
Congenital rubella syndrome (CRS) can occur in children whose mothers contract the rubella virus, sometimes called German measles, during pregnancy [2]. Depending on the gestational period when the mother contracts rubella, an infant born with CRS may be unaffected by the virus or it may have severe developmental defects. The most severe effects of the virus on fetal development occur when the ...
In 1995-96 we conducted a review of rubella immunization strategies. Worldwide, 78 countries (more than one-third) reported a national policy of using rubella vaccine. This was closely related to country economic status. Based on the United Nations country classification, rubella vaccine is used in 92% of industrialized countries, 36% of those with economies-in-transition, and 28% of developing...
The incidence of rubella cases in China from 1991 to 2007 was reviewed, and the nucleotide sequences from 123 rubella viruses collected during 1999 to 2007 and 4 viral sequences previously reported from 1979 to 1984 were phylogenetically analyzed. Rubella vaccination was not included in national immunization programs in China before 2007. Changes in endemic viruses were compared with incidences...
Transplacental transmission of rubella virus leads to Congenital Rubella Syndrome. It is comprised of congenital cardiac defects (most commonly patent ductus arteriosus), cataracts and sensorineural hearing loss. While prematurity and intra uterine growth retardation are frequent accompaniments of congenital rubella syndrome, at times birth weight can be normal. The possibility of fetal anomali...
We describe a laboratory test which is useful in determining whether deafness is due to intrauterine rubella. The study group consisted of 8 deaf patients with proved intrauterine rubella, 12 patients with familial deafness, and 17 controls. Blood was taken at time 0 from all of them. All the deaf children and 5 controls were immunised and further blood samples taken at 2 and 6 weeks. Each bloo...
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...
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