Joan A.P.C.M. Kint

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To assess the incidence of and risk factors for clinical and subclinical dengue virus (DENV) infection, we prospectively studied 1,207 adult short-term travelers from the Netherlands to dengue-endemic areas. Participants donated blood samples for serologic testing before and after travel. Blood samples were tested for antibodies against DENV. Seroconversion(More)
BACKGROUND Travellers' diarrhoea (TD) is the most common infectious disease among travellers. In the Netherlands, stand-by or prophylactic antibiotics are not routinely prescribed to travellers. This study prospectively assessed the incidence rate, risk factors, and treatment of TD among immunocompetent travellers. METHODS Persons who attended the travel(More)
BACKGROUND This study prospectively assessed the occurrence of clinical and subclinical schistosomiasis, strongyloidiasis, filariasis, and toxocariasis, and the screening value of eosinophilia in adult short-term travelers to helminth-endemic countries. METHODS Visitors of a pre-travel health advice centre donated blood samples for serology and blood cell(More)
Serum beta-galactosidase activity was found to be markedly increased in clotting blood from normal subjects, but patients with galactosialidosis showed only a slight increase of this enzyme activity. Consequently, the beta-galactosidase activity was low in serum after long-term clotting in patients with this disease. The mechanism of the enzyme activation(More)
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