Fresh concern over rare STI

Experts have raised fresh concern over the emergence of Mycoplasma genitalium — a little-known STI becoming increasingly difficult to treat.

It affects 2.4% of sexually active women aged 16-25, and almost one-third of cases are now thought to be resistant to first-line azithromycin.

Professor Basil Donovan, head of the sexual health program at the Kirby Institute, NSW, said identifying M. genitalium was problematic because tests were not yet widely available.

"From a clinical perspective, my advice would be that if someone comes in with urethritis or