Every day, there are more than 1 million new cases of curable sexually transmitted infections (STIs) among people aged 15-49 years, according to data released today by the World Health Organization. This amounts to more than 376 million new cases annually of four infections – chlamydia, gonorrhoea, trichomoniasis, and syphilis. “We’re seeing a concerning lack of progress in stopping the spread of sexually transmitted infections worldwide,” said Dr Peter Salama, Executive Director for Universal Health Coverage and the Life-Course at…