seroprevalence and potential risk factors for helicobacter pylori infection in brazilian children.helicobacter pylori infection has been proved to be of great relevance to public health in unindustrialized countries, especially in low socioeconomic groups. poor hygiene, deficient sanitation, and crowded conditions have been reported as risk factors for this infection. in this work, we investigated whether social and demographic characteristics were associated with anti-h. pylori igg antibodies in 1104 children aged 4-11 years old from salvador, a large city located in northeastern brazil.201020633188
association of helicobacter pylori infection and giardiasis: results from a study of surrogate markers for fecal exposure among investigate whether helicobacter pylori (h pylori) infection is associated with hepatitis a virus (hav) infection, presence of enteroparasites, and other surrogates of fecal exposure.200515884117
seroprevalence and risk factors associated with helicobacter pylori infection in blood donors in salvador, northeast-brazil.helicobacter pylori plays an important role in the etiology of peptic ulcer disease. its prevalence appears to be higher in developing countries. we evaluated the seroprevalence of h. pylori and risk factors associated with infection in voluntary blood donors who attended the main blood center of the city of salvador, brazil. the subjects responded to an epidemiological questionnaire, with information about sex, age, race, lifestyle, social-economic level indicators, and residence and hygiene co ...200314552744
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