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.
Control measures against the spread of Legionella from wastewater treatment plants Wastewater treatment plants (WWTPs) may spread Legionella via the air and cause pneumonia if people inhale them.