Final answer:
Mechai Viravaidya used education campaigns, condom distribution, and testing and counseling methods to combat HIV/AIDS in Thailand.
Step-by-step explanation:
Mechai Viravaidya used several methods to combat HIV/AIDS in Thailand including:
- Education campaigns: Viravaidya launched a comprehensive sex education campaign to educate the public about how HIV spreads and to encourage behavioral changes that reduce the risk of infection. These campaigns emphasized safe sex practices and condom use.
- Condom distribution: Viravaidya's organization, the Population and Community Development Association (PDA), distributed free condoms to the public to promote safe sex and reduce the risk of transmission.
- Testing and counseling: The PDA also provided HIV testing and counseling services to the public, helping to raise awareness about the importance of getting tested and providing support for individuals living with HIV.
Therefore, the correct answer is D) All of the above.