Prevalence of new variants of Chlamydia trachomatis escaping detection by the Aptima Combo 2 assay, England, June to August 2019 Roberts, David J and Davis, Grahame S and Cole, Michelle J and Naik, Dixita and Maru, Hitiksha and Woodford, Neil and Muir, Peter and Horner, Paddy and Simms, Ian and Thickett, George and Crook, Paul and Foster, Kirsty and Andrews, Nick and Saunders, John and Fifer, Helen and Folkard, Kate and Gill, O Noel and on behalf of the incident management team, Eurosurveillance, 24, 1900557 (2019), https://doi.org/10.2807/1560-7917.ES.2019.24.38.1900557