Download Indonesia has one of the fastest growing rates of HIV/AIDS infections in Asia.
On the resort island of Bali, the number of people living with the virus has almost doubled in the last three years.
One of the most vulnerable groups is sex-workers, who fight a constant battle with their clients to use protection.
To mark the passing of World Aids Day our reporter Katie Hamann met with some past and present sex workers to find out more about the dangers they confront each day.