Welcome to Let Them Know

This website has been developed by Melbourne Sexual Health Centre to help people who have been diagnosed with Chlamydia, Gonorrhoea, Mycoplasma genitalium, Syphilis and Trichomonas to tell their sexual partners that they might also be at risk. It also provides local service information for:

Ensuring partners are tested and treated is an important way of controlling the spread of this infection. As well as frequently asked questions, this website includes examples of conversations, emails, text messages (SMS) or letters you can use in informing your partner. It even allows you to send an SMS or email to your partner directly from the site, either personally or anonymously or if you prefer, you can ask your doctor to help.


Please use this service for legitimate purpose and consider implications to the recipient. Under Australian law, the use of a telecommunication service to menace or harass is a criminal offence.