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Seasonal Genetic Drift of Human Influenza A Virus Quasispecies Revealed by Deep Sequencing
Mutation frequencies and single nucleotide polymorphisms were used for comparisons to address the level of natural intrinsic heterogeneity of influenza A viruses. Clear differences in single nucleotide ...
Comparative genomics of quinolone-resistant and susceptible Campylobacter jejuni of poultry origin from major poultry producing European countries (GENCAMP)
known which is the most accurate method for identifying the country of origin of the isolates. Allele frequency analysis of isolates under this study and a selection of previously published C. jejuni ...
Do current fortification and supplementation programs assure adequate intake of fat-soluble vitamins in Belgian infants, toddlers, pregnant women, and lactating women?
the neonate, and the young child. By means of an online self-administered frequency questionnaire, this study aimed to evaluate the intake of vitamins A, D, E, and K in Belgian infants (= 455), toddlers ...
Fat-soluble vitamin intake from the consumption of food, fortified food and supplements: design and methods of the Belgian VITADEK study.
and obstetric clinics. Participants were asked to complete a self-administered online food frequency questionnaire (FFQ) or to answer the questionnaire by phone if online participation was not possible. ...
The HUMTICK study: protocol for a prospective cohort study on post-treatment Lyme disease syndrome and the disease and cost burden of Lyme borreliosis in Belgium.
and persisting symptoms and the impact on quality of life. Symptom frequency and severity will be compared with self-reported pre-Lyme health status, a control group and existing Belgian population ...
Spatial and temporal variations in airborne pollen in Europe.
were considered significant at < 0.05. There were few significant trends in the magnitude and frequency of atmospheric pollen (only 8% for the mean sum of daily average pollen concentrations and 14% ...
Genotoxicity and genomic instability caused by intermediate frequency magnetic fields in rat astrocytes
Comet Assay cytotoxicity Genomic Instability genotoxicity intermediate frequencies Micronucleus test Health Topics: Health and environment Santé et environnement Gezondheid en milieu Service: Évaluation ...
Effect of residual doxycycline concentrations on resistance selection and transfer in porcine commensal escherichia coli.
significantly higher at 1 and 4 mg/L DOX compared to the blank control, but no significant difference between 1 and 4 mg/L was seen. Plasmid transfer frequencies were affected by 1 or 4 mg/L DOX in the medium for ...
Nontuberculous mycobacteria among pulmonary tuberculosis patients: a retrospective Belgian multicenter study.
the frequency and clinical significance of nontuberculous mycobacteria (NTM) grown from respiratory samples during the treatment of tuberculosis (TB). We determined the frequency and clinical ...
The added value of food frequency questionnaire (FFQ) information to estimate the usual food intake based on repeated 24-hour recalls
the usual dietary intake of foods in a population generally ignore the additional information on the never-consumers. The objective of this study is to determine the added value of Food Frequency ...