Bibliographical noteFunding Information:
LKW, XD, and PJW declare no competing interests. YHG has received consulting fees from GSK for work on gonorrhoea. LKW, XD and PJW thank the Medical Research Council (grant MR/K010174/1 to LKW and PJW; MR/N010760/1 to XD), XD and PJW thank the UK National Institute for Health Research (NIHR) Health Protection Research Unit in Modelling Methodology at Imperial College London in partnership with Public Health England (HPRU-2012-10080), and YHG thanks the National Institutes of Health (RO1AI132606), for funding. The views expressed are those of the authors and not necessarily those of the Department of Health, Medical Research Council, NHS, NIHR, and Public Health England or the official views of the National Institutes of Health.