نتایج جستجو برای: serological epidemiology
تعداد نتایج: 123845 فیلتر نتایج به سال:
background: ehrlichiosis is an emerging tick-borne zoonotic disease caused by the family of anaplasmatacea. recently, outbreak of human monocytic ehrlichiosis was reported in northern part of iran. besides, serological evidence of canine monocytic ehrlichiosis caused by ehrlichia canis was reported from southeastern of iran but the epidemiology of this disease is almost undetermined in iran. ...
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...
Q fever is a zoonotic disease caused by a rickettsia Coxiella burnetii. Since its first description in 1937, the disease has been found to be present in most countries of the world. Serological evidences of Q fever in humans and coxiellosis in animals were reported in Japan in the 1950s, however, systematic studies of the disease did not begin until the report of isolation of C. burnetii from a...
avian pneumovirus (apv) causes turkey rhinotracheitis (trt) and swollen head syndrome (shs) of chickens, which is usually accompanied by secondary bacterial infections that increase mortality. in iran, some serological studies indicated that apv infection is endemic in commercial poultry industry. in this study we diagnosed apv genome molecularly in suspected broiler flock (4 weeks) in iran and...
h.pylori infection stimulates immune responses. these responses at the mucosal level are predominantly of iga types, while circulating antibodies against this microorganism are predominantly igg classes. igm antibodies are rarely found and seem to be non-specific for this bacterium. in this research, water extract antigen, from three strains of h.pylori (isolated from patients with gastritis, d...
Hepatitis E virus (HEV) genotype 3 is endemic in Europe and hyperendemic in southern France. Recent reports of a high prevalence of HEV RNA in blood donations and in culinary specialties from this geographical area confirmed the endemicity of HEV and sources of viral transmission in this geographical area. HEV causes acute and chronic hepatitis in solid organ transplant recipients. Since March ...
The two main goals of blood banks are to ensure consistent and safe blood components to reduce morbidity and mortality in their surrounding communities. To achieve these goals, blood banks worldwide have implemented multiple methods including continuous improvements in the donor selection and retention, serological testing for transfusion transmissible infectious agents, standard written proced...
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