• ​​Sexually Transmissible Infections (STIs) are the main cause of infertility, especially in women.
  • Chlamydia is the most commonly notified infection in Australia.
  • Most STI diagnosis and management takes place in primary care clinics, with more complicated cases referred to  local sexual health clinics as needed.


STIs in Australia

Despite access to simple prevention and treatment strategies, STI rates continue to grow across Australia.

Primary health care professionals have an essential role to play in testing, diagnosing and managing sexual transmissible infection.​

The Australian population is not affected evenly by  STIs. The most significant burden lies with:

  • Young people
  • Aboriginal and Torres Strait Islander people
  • Sex workers
  • Gay men 
  • Other men who have sex with men.

The epidemiology indicates upward trends for most STIs in these priority populations, including chlamydia, syphilis, gonorrhoea and HIV.​

There are over 82,000 chlamydia notifications annually, with 15-29 year olds the most at risk.



Successes have been seen in maintaining donovanosis diagnoses in Australia at under one case annually. Following the introduction of the HPV vaccine, the proportion of young women with genital warts​ has also fallen significantly.



  1. Kirby Institute. Annual Surveillance Report of HIV, viral hepatitis, STIs 2016