Zoekresultaten - 19 results
COVID-19 vaccine effectiveness against symptomatic infection and hospitalisation in Belgium, July 2021 to May 2022.
100-150 days after the primary vaccination course. Booster vaccination increased initial VE i to 85% (95% CI: 84-85). Against Omicron, an initial VE i of 33% (95% CI: 30-36) waned to 17% (95% CI: 15-18), ...
Spectroscopic approaches for conformity analysis of e-liquids
from, as well as the presentation as “the healthier option” and cost-effectiveness, it’s no wonder that e-liquids have become increasingly popular in the last 20 years, particularly with younger people. ...
Investigating COVID-19 Vaccine Impact on the Risk of Hospitalisation through the Analysis of National Surveillance Data Collected in Belgium.
reflecting waning immunity within this group, which was vaccinated early in 2021 and invited to receive the booster vaccination at that time. In January 2022, a RR increase was observed in all age categories ...
Vaccine effectiveness against onward transmission of SARS-CoV2-infection by variant of concern and time since vaccination, Belgian contact tracing, 2021.
compared to viral vector vaccines: 66% and 80% for Ad26COV2.S and ChAdOx1 respectively (Alpha, 0-50 days after vaccination). Delta was associated with a 40% increase in odds of transmission and a decrease of ...
Controlled Human Infection Studies: Proposals for guidance on how to design, develop and produce a challenge strain.
Pieter Source: Biologicals, Volume 74 (2021) Abstract: There is an increasing need to establish quality principles for designing, developing and manufacturing challenge agents as currently these agents are ...
Chemical and toxciological characterization of e-liquid cigarettes
electronic cigarette (e-cigarette) has increased significantly in the past decade. In Belgium, the implementation of the revised European Tobacco Products Directive (TPD) in 2014 marked a turning point for ...
Identification of Flavouring Substances of Genotoxic Concern Present in E-Cigarette Refills
increased significantly. An important contributor to this trend is the availability of a wide variety of flavours used in e-liquid refills. However, the role of these flavouring components in the potential ...
Chemometrics and chromatographic fingerprints to classify plant food supplements according to the content of regulated plants.
supplements are gaining popularity, resulting in a broader spectrum of available products and an increased consumption. Next to the problem of adulteration of these products with synthetic drugs the presence of ...
The use of Stationary Phase Optimized Selectivity Liquid Chromatography for the development of herbal fingerprints to detect targeted plants in plant food supplements.
Medicine national ON plant Plants PRODUCTS public public health Public-health Quality Quality Control SAFETY Sample Samples Type use Abstract: The consumption of plant food supplements is increasing steadily ...
Prevalence of Age-Related Macular Degeneration in Europe: The Past and the Future.
Prevalence of early AMD increased from 3.5% (95% confidence interval [CI] 2.1%-5.0%) in those aged 55-59 years to 17.6% (95% CI 13.6%-21.5%) in those aged ≥85 years; for late AMD these figures were 0.1% (95% ...