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.
Tick found in Drenthe is a Hyalomma tick RIVM has investigated the so-called giant tick that was found in Odoorn in the province of Drenthe on 13 July. It is a Hyalomma marginatum female.