Reminders for booster jab and repeat vaccination against COVID-19 Adults who have not yet had a booster jab or repeat vaccination against COVID-19 will receive a reminder letter from RIVM, starting Friday 8 July 2022.
Health effects due to titanium nanoparticles in food and toothpaste cannot be excluded Health effects due to exposure to titanium dioxide nanoparticles via food, food supplements and toothpaste cannot be excluded.