By the time you read this, Olympic fever will be upon those of us in the UK—leave is cancelled in the public health agencies, road closure imminent, and a frenzy of emergency planning and resilience exercises is reaching its final stages. Where does sexual health fit in to Olympic preparation? Traditionally, large construction projects and major public events have been seen a magnet for sex work, bringing together large communities of men living apart from partners and families. A before and after analysis exploring Canada's 2010 Winter Olympics suggests that an influx of sex workers is no longer to be expected in a developed setting, but displacement and perceived police harassment need to be addressed.1 Significantly, the researchers noted no increase in new reports of youth or trafficked sex workers. Some of our editors are involved in work to assess impact in the UK—watch this space!

In this month's Editor's Choice, Lyons …