Which of the following are voluntary counseling and testing for AIDS?

Include the following contents: 1. Pre-test counseling: Assess the risk behaviors of interrogators and determine whether it is necessary to have an AIDS test.

2. Post-test consultation: urge people with risky behaviors to change their behaviors and reduce the risk of further spread of AIDS; Help inquirers understand the test results, provide psychological support, and provide relevant information such as prevention and treatment. Voluntary counseling and testing for AIDS is an important preventive measure, but it cannot completely prevent the spread of AIDS. The most effective way to prevent AIDS is to avoid risky behaviors, such as unsafe sex and using syringes.