Possible start of COVID-19 vaccination in early January If all goes well, the first people in the Netherlands will be vaccinated against COVID-19 in early January. The logistics operation aims to start vaccination in the week of 4 January 2021.
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.
Discussion regarding health-based guidance value of PFOA The European Food Safety Authority (EFSA) has published a provisional health-based guidance value for perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA).