Persistence of an outbreak of gonorrhoea with high-level resistance to azithromycin in England, November 2014‒May 2018 Smolarchuk, Christa and Wensley, Adrian and Padfield, Simon and Fifer, Helen and Lee, Andrew and Hughes, Gwenda, Eurosurveillance, 23, 1800287 (2018), https://doi.org/10.2807/1560-7917.ES.2018.23.23.1800287