نتایج جستجو برای: seroepidemiologic study
تعداد نتایج: 3968491 فیلتر نتایج به سال:
Seroprevalence of hepatitis a and associated factors among 1-15 year old children in Eastern Turkey.
BACKGROUND Hepatitis A is a common infectious disease during childhood worldwide. Recently, great deal of changes in the epidemiology has been reported. The seroepidemiologic studies of this infection are not sufficient in Eastern region of Turkey. OBJECTIVE To investigate the seroprevalence and association with socio-demographic variables of hepatitis A in 1-15 year old children in Van. PA...
A potential relationship between chronic infection with chlamydia pneumonia (CP) and atherosclerosis has been suggested by seroepidemiologic, pathologic and animal studies. The aim of the present study was to evaluate the relation between antichlamydia antibody in patients with coronary events. This research was performed as a retrospective, case-control study on the blood samples from 87 i...
Abstract Background and objectives: Since Rubella is an infectious disease with a few clinical symptoms, it is hardly diagnosed. Especially in the first trimester of pregnancy, congenital rubella is one of the major causes of neonatal mortality and permanent disablement in children. The aim of this study was to determine the sero immunity Level of The single Female student's after national rube...
abstract the purpose of this study was to find out the effect of applying the principles of group-dynamic assessment (g-da) on learning of conditional structures in english by iranian efl learners at the intermediate level, which according to the formal educational system in iran, includes students who are in their second year of studying in high schools of koohdasht city. this study was a qua...
The prevalence of IgG ELISA antibodies against Haemophilus influenzae polyribosyl ribitol phosphate (anti-Hib) was studied in two Swedish seroepidemiologic materials. One study was performed in 1997 5 years after the introduction of universal Hib vaccination (N=3320). Ten years later, a similar study was carried out to analyze the effect of vaccination on anti-Hib prevalence (N=2383). The media...
BACKGROUND Bali Province was affected by avian influenza H5N1 outbreaks in birds in October 2003. Despite ongoing circulation of the virus, no human infection had been identified by December 2005. OBJECTIVES To assess behavioral patterns associated with poultry rearing in Bali, and to identify potential risk factors for H5N1 infection in humans and in household chickens, ducks and pigs. MET...
Genomic sequences of the human polyomaviruses, JC virus (JCV) and BK virus (BKV), and simian virus 40 (SV40) have been reported from several types of human brain tumors, but there have been no population-based seroepidemiologic studies to evaluate the association between polyomavirus infection and brain tumors. We conducted a case-control study, nested within a prospective cohort, to investigat...
The human T-cell lymphotropic virus type 1 (HTLV-1) was the first retrovirus identified in humans, and is the causal agent of HTLV-1-associated myelopathy (also known as tropical spastic paraparesis [HAM/TSP]) and adult T-cell leukemia/lymphoma (ATLL). HTLV-1 has been neglected mainly due to the misconception that it is a low morbidity viral infection. Recently evidence has been accumulating th...
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