نتایج جستجو برای: seroepidemiologic studies
تعداد نتایج: 1426357 فیلتر نتایج به سال:
A seroepidemiologic survey of Coxiella burnetii in cattle and chickens in Thailand was carried out using indirect fluorescent antibody test. Nine of the 130 serum samples from cattle were positive for antibodies against C. burnetii, with antibody titers ranging from 32 to 64. Only one of 113 serum samples from chickens was seropositive, with antibody titer of 16. No C. burnetii-specific DNA was...
An exhaustive epidemiologic and serologic survey was carried out in five gold-panning villages situated in northeastern Gabon to estimate the degree of exposure of to leptospirosis and Ebola virus. The seroprevalence was 15.7% for leptospirosis and 10.2% for Ebola virus. Sixty years after the last seroepidemiologic survey of leptospirosis in Gabon, this study demonstrates the persistence of thi...
BACKGROUND Seroepidemiologic studies indicate a high prevalence of herpes simplex virus (HSV) infection. This infection leads to ophthalmic, dermatologic, oral, neurologic, vaginal and cervical problems. Different studies have been carried out to estimate the HSV seroprevalence in Iran. Combining the results of these studies would be useful for health policy-making. OBJECTIVE This study aims ...
a large number of single research studies on the effects of strategy-based instruction (sbi) in teaching english as a foreign or second language has been conducted so far. however, the lack of a comprehensive meta-analysis targeting the effectiveness of english language sbi is observed. moreover, the findings of experimental studies regarding the context of the english language, proficiency lev...
As in many Latin American countries, Chagas’ disease is a serious endemic public health problem in Paraguay. Vector studies conducted in various parts of the country through the mid-1970s found the principal Chagas’ disease vector, Triatoma infestans, to be present in all the areas surveyed, with the recorded house infestation indexes generally being in the 20-30 % range (I). More recently, sur...
Gallo and co-workers first described human T-cell leukemia virus (HTL V), a type C retrovirus isolated from an aggressive case of cutaneous T-cell lymphoma [27, 28]. Cases of adult T-cell leukemia/lymphoma (A1LL) , a unique mature T-cell malignancy, have also yielded numerous other isolates of H1LV [23, 7, 17, 35, 10, 29]. ATLL is seen at increased levels in southwestern Japan and the Caribbean...
Cases of Guillain-Barré syndrome were also recorded during the Zika outbreak in Brazil (6). Moreover, soon after health authorities in Brazil warned of an increase in the prevalence of microcephaly in newborns that might be associated with Zika virus infection in mothers during pregnancy, health authorities in French Polynesia confirmed that neurologic congenital abnormalities also had been obs...
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