Biology 1001A Study Guide - Final Guide: Virophage, Francis Crawford Burkitt, Plasmid
24 Aug 2016
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General mechanisms by which vaccines protect against diseases. Create catch of weapons for immune system, deployed when needed. Hiv vaccines: vaccine trains body to recognize/neutralize invader penetrates pneucosal barriers; affects immune cells to replicate. Macrophages capture and display pieces of hiv. Memory cells from vaccine activated, when learned from front line troops. Memory b cells turn into plasma cells; generate specific antibodies to latch onto. Killer t cells seek out and kill already infected cells why developing a vaccine against hiv is relatively challenging, compared to other diseases. Quickly hides itself, much more genetic variation than flu. Broadly-neutralizing antibodies discovered, new site found on virus they can latch onto why people are encouraged to get a flu vaccine each year (as opposed to one time only). Mutated flu virus (h&n spots) prevents previously-existing antibodies to attach and neutralize virus. Birds carry all types of influenza- (swine from birds in mexico)
