When does aids occur? what are some of the common signs that the infection has progressed to aids?

The virus can be transmitted through contact with infected blood, semen, or vaginal fluids .Within a few weeks of HIV infection, flu-like symptoms such as fever, sore throat, and fatigue can occur. Then the disease is usually does not show symptoms until it become to AIDS. AIDS symptoms include weight loss, fever or night sweats, fatigue, and constant infections.