34yr old with AIDS

transmitted through blood, genital fluid, seamen, or breast milk

HIV Human Immunodeficiency Virus

anti-retoviral treatment

slows progress and prevents secondary complications

can live only 3-5 yrs without any treatment

will need to be tested regularly

opportunistic illness due to damaged immune system

cancers, lymphoma, pneumonia

immune system made up of lymphatic system

bone marrow, spleen, thymus, lymph nodes, and ducts

innate immune system are barriers to infection

lymphocytes and leukocytes

1st Line: skin, hair, cough, sneeze, tears, vomiting

2nd Line: neutrophils, eosinophils, NKC, macrophages, fever, pain, inflammation

adaptive immune system are T cells and B cells

3rd Line: T cells clone and makeT memory cells and T helper cells

B cells clone and make B memory cells.

attacks T cells to reproduce

viral infection invade normal cells and use them to reproduce.

antibiotics will not work

vaccines can help prevent viral infections

bacterial infections caused by bacteria

antibiotic treatable

normal lymphocyte level is between 3,000 - 9,500

B cells make plasma cells which produce antibody

lymphocytes drop to below 200