نتایج جستجو برای: sero epidemiology
تعداد نتایج: 106321 فیلتر نتایج به سال:
The epidemiology of Helicobacter pylori (H. pylori) infection is related to human poverty with marked differences between developing and developed countries. Socioeconomic factors and living standards are the main determinants of the age-dependent acquisition rate of H. pylori, and consequently its prevalence. The aim of this study was to assess the risk and sero-prevalence of H. pylori coloniz...
The European sero-epidemiology network (ESEN2) aims to standardise serological surveillance of varicella zoster virus (VZV) in 11 participant countries. In each country, serum banks were collected between 1996 and 2003 and tested for VZV antibodies. Assay results were standardised so that international comparisons could be made. Age-specific forces of infection were calculated for three age gro...
Sarcocystis neurona is the most important cause of a neurologic disease of horses, equine protozoal myeloencephalitis (EPM). Cats and other carnivores can act as its intermediate hosts and horses are aberrant hosts. Little is known of the sero-epidemiology of S. neurona infections in cats. In the present study, antibodies to S. neurona were evaluated by the S. neurona agglutination test (SAT). ...
In a previous publication (de Blcourt, Polman, and de Blcourt-Meindersma, 1961), we drew attention to the familial occurrence of rheumatoid arthritis and ankylosing spondylitis, each of which shows a special hereditary factor, but we did not report on the presence or absence of the so-called rheumatic factor in probands and members of the family. The "epidemiology" of various rheumatic conditio...
Abstract Background and objectives: Herpes simplex virus type two (HSV-2) infections are mostly considered as a sexually transmitted disease. It causes genital herpes, newborn herpes non-pyrogenic meningitis and may act as an underlying factor for HIV infection. This study was conducted to determine the sero-epidemiologic prevalence of herpes simplex virus type two in cases referred to ten clin...
Six countries (Denmark, England and Wales, France, Germany, Italy and The Netherlands) conducted large serological surveys for mumps, in the mid-1990s, as part of the European Sero-Epidemiology Network (ESEN). The assay results were standardized and related to the schedules and coverage of the immunization programmes and the reported incidence of mumps. Low incidence of disease and few suscepti...
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