Last winter’s flu epidemic was short and mild. And then COVID-19 arrived. The flu epidemic in the winter of 2019/2020 was mild and lasted only 5 weeks.
Improvement of air quality continues In 2019, the calculated concentrations of nitrogen dioxide (NO2) and particulate matter (PM10) were below the European limit values in almost the whole of the Netherlands. Locally, the limit value for nitrogen dioxide is still being exceeded.
Young people who use screens before sleeping have more sleep problems Young people (13-18 years) who use light-emitting screens daily in the hour before going to sleep have more sleep problems.