1. STD
AIDS is caused by HIV, the Human Immunodeficiency Virus, which attacks the body's immune system. ... The symptoms tend to last for weeks or months at a time and do not go away without treatment. ... The second stage occurs from 3 weeks to 3 months after the primary stage and includes flu-like symptoms and possible hair loss. ... Symptoms usually appear within 2 to 6 weeks after contact. ...
- Word Count: 845
- Approx Pages: 3
- Has Bibliography
- Grade Level: High School