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.
Lab tests alone not conclusive for diagnosis of Lyme disease Lyme disease can cause a variety of complaints in patients. Laboratory tests for the disease can support medical practitioners in making a diagnosis but are not necessarily conclusive.