Peer-Reviewed Publication The epidemiology of invasive meningococcal disease in EU/EEA countries, 2004–2014 2017 - Vaccine - 35(16):2034-2041 Whittaker, R., Dias, J.G., Ramliden, M., Ködmön, C., Economopoulou, A., Beer, N., Pastore Celentano, L. epidemiology immunisation meningococcal disease surveillance