A unique measles B3 cluster in the United Kingdom and the Netherlands linked to air travel and transit at a large international airport, February to April 2014 Nic Lochlainn, Laura and Mandal, Sema and de Sousa, Rita and Paranthaman, Karthik and van Binnendijk, Rob and Ramsay, Mary and Hahné, Susan and Brown, Kevin E., Eurosurveillance, 21, 30177 (2016), https://doi.org/10.2807/1560-7917.ES.2016.21.13.30177