We are increasingly recognising that re-infection is common, and so strategies to re-test individuals who have already tested positive are an important part of STI control. This is well recognised in sexual health services, which are increasingly using recalls and messaging to encourage re-attendance. As Bowring et al show this month,1 this message needs to be promoted to all sexual health providers. In a population of women testing positive for Chlamydia in Australian general practice, 40% attended and were re-tested over the following year, but another 40% re-attended and were not re-tested. Sixteen per cent of those re-tested were diagnosed with Chlamydia.

The question of where care is, and should be, provided continues to inspire a wide range of research. Obviously patterns of accessing care depend on health systems, accessibility and individual preference. Green et al2 …