Use of a geographic information system to map cases of measles in real-time during an outbreak in Dublin, Ireland, 2011 Fitzpatrick, G and Ward, M and Ennis, O and Johnson, H and Cotter, S and Carr, M J and O’Riordan, B and Waters, A and Hassan, J and Connell, J and Hall, W and Clarke, A and Murphy, H and Fitzgerald, M, Eurosurveillance, 17, 20330 (2012), https://doi.org/10.2807/ese.17.49.20330-en