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.
Mild 2018-2019 influenza epidemic The annual influenza epidemic in the winter of 2018-2019 was less severe than the year before. Approximately 400,000 people have had the flu.