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.
Chikungunya infections in the Caribbean region Since August 2014, there has been an increase in the number of Chikungunya patients in the Caribbean region. Travellers who visit the region can become infected there.