Eurosurveillance Eurosurveillance, 2022, 27 (21), ⟨10.2807/1560-7917.ES.2022.27.21.2101104⟩ Repisalud Instituto de Salud Carlos III (ISCIII) 2022, ' Effectiveness of complete primary vaccination against COVID-19 at primary care and community level during predominant Delta circulation in Europe : multicentre analysis, I-MOVE-COVID-19 and ECDC networks, July to August 2021 ', Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin, vol. 27, no. 21 . https://doi.org/10.2807/1560-7917.ES.2022.27.21.2101104