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