A prolonged outbreak of invasive meningococcal disease in an extended Irish Traveller family across three Health Service Executive (HSE) areas in Ireland, 2010 to 2013 O’Connor, L and Ward, M and Bennett, D and Mulhall, R and O’Lorcain, P and Cunney, R and McDermott, R and Neville, E and Heslin, J and FitzGerald, R and Meyler, K and Conlon, M and Clarke, A and Corcoran, B and Fitzpatrick, G and O’Connor, B and Flanagan, P and O’Flanagan, D and Cotter, S, Eurosurveillance, 20, 21139 (2015), https://doi.org/10.2807/1560-7917.ES2015.20.21.21139