The 2020 annual expert meeting on the European Monitoring Centre for Drugs and Drug Addiction (EMCDDA) epidemiological indicator ‘Prevalence and patterns of drug use among the general population’ (often referred to as the 'General population surveys indicator') took place on-line on 19 and 20 May. The meeting brought together experts from almost all EU Member States and Norway, Instrument for Pre-Accession Assistance (IPA) and European…