نتایج جستجو برای: seroepidemiologic study
تعداد نتایج: 3968491 فیلتر نتایج به سال:
A seroepidemiologic survey was performed aimed at estimating the prevalence of human immunodeficiency virus, the prevalence of hepatitis C virus antibodies (anti-HCV), the risk factors associated with human immunodeficiency virus transmission and the epidemiological profile of the women in puerperal period in three public Hospitals of Cuiabá City between December 2001 and March 2002. The sample...
The importance acquired by the strategy of anticipating rubella revacunation needs no emphasis1. Recommendations by experts committees and actualization of the prevailing childhood immunization schedules are unanimous when it comes to including the above-mentioned strategy2. In this context, seroepidemiologic survey studies allow the assesment of humoral immunologic response against viral struc...
BACKGROUND dengue virus (DENV) was reintroduced into Brazil in 1986 and by 1995 it had spread throughout the country. In 2007 the number of dengue hemorrhagic fever (DHF) cases more than doubled and a shift in the age distribution was reported. While previously the majority of DHF cases occurred among adults, in 2007 53% of cases occurred in children under 15 years old. The reasons for this shi...
Background & Objective: Human T-Lymphotropic Virus type 1(HTLV-1) is a human retrovirus which has been known to cause Adult T-Cell Leukemia/Lymphoma(ATLL), HTLV-1 Associated Myelopathy/Tropical Spastic Paraparesis(HAM/TSP) and some other inflammatory disorders. One of the important pathways of transmission of this infection is transfusion of blood and its products. This study was designed t...
abstract this mixed method study examines whether there is any relationship among the variables of the study (job satisfaction, social capital and motivation). the researcher considered job satisfaction and social capital as independent variables; motivation is the dependent variable of the study. the researcher applied a questionnaire to assess each variable. to measure efl teachers’ job sati...
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...
With improvements in management of acute rejection and allograft function over the past decades, short-term survival after solid-organ transplantation is excellent, and death with a functioning graft has become the outcome for the majority of solid-organ transplant recipients. Thus, there is a necessity to focus not only on interventions to maintain graft function, but also to address other pos...
abstract this study aimed at investigating the effect of bilingual teaching of cognate words (persian-english) on iranian upper intermediate efl learners’ knowledge of lexical development. for this purpose,100 subjects participated in this study out of which 40 learners were selected for this study and they were assigned into two groups, control and experimental. cross-language cognates (wor...
type text or a website address or translate a document. abstract liquidity is considered the most important aspect of the development of stock markets. the main objective of this study was to evaluate the effect of the quality of financial information provided to replace its financial statements nmvdh and shrkt hayy that the liquidity of the shares on the tehran stock exchange is between the ...
this study was an attempt to investigate the effect of teaching meta cognitive strategies on iranian intermediate efl students speaking proficiency. in this study the researcher has employed metacognitive strategies taken from brown (2000) to teach speaking strategies to number of participants. the participants were intermediate students of shokouh language institute; they were divided into an ...
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