Results 241 to 250 of about 41,304,560 (275)
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Seroepidemiological studies with campylobacter fetus

Zentralblatt für Bakteriologie, Mikrobiologie und Hygiene. 1. Abt. Originale. A, Medizinische Mikrobiologie, Infektionskrankheiten und Parasitologie, 1981
324 sera from unselected male and 581 sera from female patients as well as 268 sera from prostitutes were studied for antibodies against Campylobacter fetus using the complement fixation test. Antigen was Campylobacter fetus subspecies intestinalis. 3.9% of the sera showed low but relevant antibody titers.
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Seroepidemiological study of rotavirus infection in rural Ghana

Annals of Tropical Paediatrics, 1984
Children in a village in rural Ghana were found to have acquired antibody to rotavirus by the age of two years. The results of our study suggest that primary infection takes place early in infancy. Fifty-six per cent of the three to 20-months-old had a four-fold rise in antibody levels during the six months follow-up period and 72.2% of them had one or
J. A. A. Mingle   +4 more
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Herpesvirus infection and cervical anaplasia—a seroepidemiological study

International Journal of Cancer, 1977
AbstractIn a cohort of 23,146 pregnant females followed for 37–56 months subsequent to collection of prenatal sera, 57 cases of carcinoma of the cervix were encountered. Three controls were selected for each case from the residual cohort matched to cases for age, residence, number of prior cytology smears taken, and the date of entry to the study.
Nung Won Choi   +3 more
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Toxoplasmosis in goats in Córdoba, Spain: a seroepidemiological study

Annals of Tropical Medicine & Parasitology, 1987
(1987). Toxoplasmosis in goats in Cordoba, Spain: a seroepidemiological study. Annals of Tropical Medicine & Parasitology: Vol. 81, No. 1, pp. 71-72.
S. Hernandez-Rodriguez   +2 more
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Comments on Seroepidemiologic Studies

2015
If the tools for the control of transmission are not available, the application of seroepidemiologic methods, as an exercise in the tropics, just in order to assess the magnitude of the problem of malaria transmission, should be restricted. Application of seroepidemiologic methods in connection with control operations seems valuable.
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A Seroepidemiological Study of Amebiasis in Adults in Maracaibo, Venezuela

The American Journal of Tropical Medicine and Hygiene, 1981
Eight hundred and forty-eight sera collected from adult patients attending the Central and University Hospitals and from blood donors at the Blood Bank in Maracaibo, Venezuela, were screened for serologic evidence of Entamoeba histolytica infection, employing the indirect hemagglutination test. The seropositivity rates obtained ranged from 4.4-6.5% and
Leonor Chacín-Bonilla, David Bonpart
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Seroepidemiological study of Taenia saginata cysticercosis in Swaziland

Research in Veterinary Science, 1993
A cross-sectional study of Taenia saginata cysticercosis in Swaziland using a serodiagnostic ELISA for parasite antigen is described. The seroprevalence and the levels of parasite antigen were compared in the sera of cattle from different geographical localities, and from areas of high or low population density.
M.S. Tewes   +4 more
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Seroepidemiological Studies on Nasopharyngeal Carcinoma in China

1985
Publisher Summary This chapter explores simple and sensitive techniques that can be conveniently applied in the high-nasopharyngeal carcinoma (NPC) risk field for the early detection of NPC. It is noted that early treatment gives a good prognosis and helps to explore the roles of Epstein–Barr (EB) virus, environmental factors, and genetic factors in ...
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Seroepidemiological studies on human pulmonary dirofilariasis in Spain

Annals of Tropical Medicine & Parasitology, 1990
Preliminary data are presented on a serological survey of the human population of an area with a high prevalence of Dirofilaria immitis infection in dogs. Five per cent of the sera were positive for IgG. Simultaneous radiological study revealed a pulmonary nodule in one of the positive patients, and in this case the evolution of IgG and IgM levels was ...
A. Muro Alvarez   +3 more
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A Seroepidemiological Study of HTLV-1 Infection in Nepal

Scandinavian Journal of Infectious Diseases, 1992
A seroepidemiological survey of antibodies to human T-lymphotropic retrovirus type-1 (HTLV-1) was carried out among 413 residents of Chitwan, Dhapakhel and Katmandu in Nepal. Donor screening was first carried out by the gelatin particle agglutination (PA) tests and positive sera were retested by an improved PA test, indirect immunofluorescence (IF) and
Takayoshi Shotake   +4 more
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