Since then it has become a universal epidemic concerning all of mankind.(3) This epidemic is caused by the human immunodeficiency virus, also known as HIV. ... During the primary phase of infection, the blood contains many viral particles that spread through the body and seed itself in various organs, particularly the lymph organs. ... During this phase, the immune system fights back, which reduces the HIV levels in the blood. ... It is impossible for the immune system to destroy the virus. ... The first is a vaccine that would target the mucosal sites of the moist lining of the urinary a...

• Word Count: 1538
• Approx Pages: 6
• Grade Level: High School

AIDS is a major failure of the body's immune system (immunodeficiency). ... It affects the immune system, including special blood cells (lymphocytes) and cells of the organs (bone marrow, spleen, liver and lymph glands). ... AIDS is a secondary immunodeficiency syndrome resulting from human immunodeficiency virus (HIV) infection. AIDS is defined as the most severe form of a continuum of illnesses associated with human immunodeficiency virus (HIV) infection. Its slow degeneration of the immune system with the development of opportunistic infections, malignancies and frequently, impairm...

• Word Count: 2099
• Approx Pages: 8
• Has Bibliography
• Grade Level: Undergraduate