نتایج جستجو برای: sero epidemiology
تعداد نتایج: 106321 فیلتر نتایج به سال:
East and Southeast Asia are important pigand poultry-producing areas, where the majority of production takes place on small-scale farms with low biosecurity levels. This systematic review synthesizes data on swine influenza virology, serology and epidemiology in East and Southeast Asia. A total of 77 research articles, literature reviews and conference papers were selected and analyzed from 510...
OBJECTIVE The study determined the seroprevalence of Toxocara canis infection among children attending four selected health facilities in the Central Region of Ghana. DESIGN Cross-sectional study. METHOD Sera from 566 children aged 1-15 years attending four selected health facilities in the Central Region of Ghana between July and September 2012 was used in a Toxocara excretory-secretory an...
OBJECTIVES To estimate the diagnostic accuracy of HAT Sero K-SeT for the field diagnosis of second-stage human African trypanosomiasis (HAT). DESIGN A phase III diagnostic accuracy design. Consecutive patients with symptoms clinically suggestive of HAT were prospectively enrolled. We compared results of the index test HAT Sero K-SeT with those of a composite reference standard: demonstration ...
Background: Dermatophytosis is a common superficial mycosis. It affects virtually every child at one stage or the other, but the disease may be more frequent in individuals with immunocompromising conditions. The typical characteristic of the rash is an annular, popular rash with a healing centre and an active periphery that may have an erythematous base and it occurs in different parts of the ...
BACKGROUND Sri Lanka achieved the WHO certificate as a malaria free country in September 2016, thus monitoring of malaria transmission using sensitive and effective tools is an important need. Use of age-specific antibody prevalence as a serological tool to predict transmission intensity is proven to be a cost effective and reliable method under elimination settings. This paper discusses the co...
OBJECTIVES To investigate Toxoplasma infection among pregnant women in relation to exposure to infection risk, age and pregnancy-related risk factors. DESIGN AND METHODS This cross-sectional study involved 294 pregnant women attending ante-natal clinic in Accra who consented to participate. Personal and Toxoplasma infection risk related data were obtained by questionnaire interviews. Venous b...
BACKGROUND Sporadic Japanese encephalitis (JE) cases still have been reported in Zhejiang Province in recent years, and concerns about vaccine cross-protection and population-level immunity have been raised off and on within the public health sphere. Genotype I (GI) has replaced GIII as the dominant genotype in Asian countries during the past few decades, which caused considerable concerns abou...
The exposure of 127 pre-school and young schoolchildren to Toxoplasma gondii was investigated by a serological survey of its antibody by means of the passive haemagglutination technique. The significant rise of prevalence of the antibody from 35% in pre-school to 60% in the early school age group suggests that poor sanitary habits and conditions and water shortage in primary schools may cause p...
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