Flu jab for additional groups The flu jab is offered free of charge every year to people aged 60 years and older, and to people who are at higher risk of becoming seriously ill from the flu virus due to medical reasons
How to distinguish a dual user from an exclusive e-cigarette user RIVM and Maastricht University have identified a combination of factors that can be used to distinguish between exclusive e-cigarette users (vapers) on the one hand and people who smoke both regula