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Bordetella pertussis seroprevalence in Belgian adults aged 20-39 years, 201234005
30-39 years age group. Anti- PT IgG levels were measured using Virion-Serion ELISA and analysed using predefined cut-off levels. Sixty-one (4%) sera were indicative of an infection in the past 2 years ...
Methodological basics and evolution of the Belgian health interview survey 1997-2008.
cluster and a selection of respondents within each household. Using matched substitution of non-participating households assures the realisation of the predefined net-sample. RESULTS: For each BHIS the ...
Validation of a food quantification picture book targeting children 0-10 years of age for pan-european and national dietary surveys
was evaluated six times by means of predefined portions. Therefore, thirty-six pre-weighed portions of each food were evaluatedby convenience samples of parents having children aged from 3 months to 10 ...
The community impact of the 2009 influenza pandemic in the WHO European region: a comparison with historical seasonal data from 28 countries288
region during the last seven influenza seasons. The peaks of influenza activity were selected by two independent researchers using predefined rules. The geographic spread was assessed by correlating the ...
Interactive analysis of Belgian vital statistics on the Internet.
over time. Pre-defined procedures accessible through menus make SPMA user-friendly, as it can be used without any preliminary knowledge of the statistical package. Tables, charts, or maps display the ...
Prioritisation of food-borne parasites in Europe, 2016.
representation. Twenty-five FBP were scored in subgroups, using predefined decision rules. At the European level, ranked first, followed by and. At the regional level, ranked highest in Northern and Eastern Europe, ...