Unlike the pill that has to be taken everyday at the same time, the patch should be applied once a week one the same day of the week for three consecutive weeks for the month. ... HIV and AIDS attack the immune system in your body. ...

• Word Count: 1339
• Approx Pages: 5
• Grade Level: High School

Though many infected with chlamydia have no symptoms, if symptoms do develop, they will usually appear one to three weeks after infection. ... HIV attacks certain white blood cells called T cells, an important part of the body's defense system, thereby damaging the immune system until a person is no longer capable of fighting off infections. ... The end-stage symptoms of HIV occur when the HIV virus has so totally damaged the immune system that it begins to fail. ...

• Word Count: 1899
• Approx Pages: 8
• Grade Level: High School