BIOL 2900 Lecture Notes - Antigen, Booster Dose, Antigenicity
8 Mar 2013
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Document Summary
Blood: contains cells ( e. g b cells-active immunity) and plasma (ab passive immunity). Different modes of acquiring immunity: (see the photo) Prevention and therapy of infections: most of the damage to cells during infections occurs very early, often before the clinical symptoms of disease appear. This makes drugs treatment of infection irrelevant in many cases. Prevention of infection is better and cheaper virus will not establish in your system. Vaccines are probably the best way to prevent a disease. Flu shot is a prevention tool it will prevent the symptoms associated influenza. Price for getting a flu shot is much less than treating a patient in icu/hospital for the disease. Immunologist have formulated vaccines that have proven to significantly reduce the number of cases of infectiouse diseases. They are constantly forming new vaccines that provide maximum efficacy and safety. Vaccines: best way to prevention of disease e. g. polio. = activating is by exposing an individual to an ag. (animation)
