Since the first official confirmed cases of HIV 30 years ago, millions have died, particularly in developing nations. But now there's hope in treatment and innovative prevention strategies. Take a journey to find out what's working in HIV prevention -- and providing hope for the future -- in this new half-hour documentary produced by ViewChange in partnership with PSI (Population Services International).

Male circumcision is a cost-effective procedure that reduces the risk of HIV infection in men by 60 percent. At scale, circumcision programs can play a major role in reducing the spread of HIV. Dialogue and communication are key to these men who have undergone the procedure.

In Kenya, one specific behavior is playing a major role in the transmission of HIV: concurrent sexual partnerships. PSI and the Government of Kenya address this issue head-on through a groundbreaking communications campaign.

Tackling HIV and AIDS in the developing world mean tailoring responses to the specific needs of each country and of the groups most vulnerable to AIDS. In Zimbabwe, hairdressers are trained to give advice on safe sex and the benefits of using female condoms through a program funded by the UK's Department for International Development.

SMS for Life is a pilot program in Tanzania that uses mobile phones and text messages to keep track the amount of malaria drugs in different areas, preventing stocks of malaria drugs from running out at critical times.