About 600.000 people in Thailand are thought to be living with Aids, but the country has won praise for its attempts to tackle the spread of the HIV virus.<br /><br />Education and increasing access to anti-retroviral drugs are the mainstay of the Thai campaign, while initial optimism over a supposedly "breakthrough" HIV vaccine has waned.<br /><br />Al Jazeera's Aela Callan reports from Bangkok.
