Is there an AIDS vaccine?
Currently, there are no approved HIV vaccines available for routine vaccination. However, vaccine development trials are still ongoing worldwide. If you have concerns, it is recommended to seek medical advice in advance. Detailed analysis is as follows:

Research on HIV vaccines by scientific institutions globally has been underway for many years, with several candidate vaccines having entered clinical trial phases. These aim to induce specific immune responses in the body to protect against viral infection. Most of these trials are at various research stages, and while some have shown certain immunogenic effects, none have yet met the standards of safety, efficacy, and suitability for large-scale deployment, and therefore have not been approved for market release.
Due to characteristics of the HIV virus such as rapid genetic mutation and strong immune evasion capability, vaccine development faces numerous technical challenges. Ongoing research continues to explore improved vaccine design strategies, such as multi-antigen combinations and novel vector technologies, aiming to overcome current technical barriers and develop an effective preventive HIV vaccine. However, this process will still require considerable time.
At present, HIV prevention relies on interrupting transmission routes—such as consistently practicing safe protective measures and avoiding sharing needles. Individuals at high risk of exposure may consult a physician about using pre-exposure prophylaxis (PrEP) medications. Regular HIV testing is also recommended to ensure early detection and timely intervention.