Large ongoing measles outbreak in a religious community in the Netherlands since May 2013 Knol, M J and Urbanus, A T and Swart, E M and Mollema, L and Ruijs, W L and van Binnendijk, R S and te Wierik, M J and de Melker, H E and Timen, A and Hahné, S J, Eurosurveillance, 18, 20580 (2013), https://doi.org/10.2807/1560-7917.ES2013.18.36.20580