MMI133 Study Guide - Midterm Guide: Smallpox, Cowpox, Session 9

• School: University of Alberta
• Department: Medical Microbiology and Immunology
• Course: MMI133
• Professor: Judy Gnarpe

Document Summary

Session 9: milkmaids who contracted cowpox were immune to smallpox disease. Vaccination : jenner"s attempt to deliberately induce immunity, in 1796, he inoculated people people with the cowpox (varincia virus) and that protected them from smallpox (variola virus) Immune memory: recover from infectious disease means protection later (if you get it then recover, that means protection later, memory cells help with this) Vaccination improves human health: chart shows prevaccination and post vaccination and how vaccines can make such a difference, however there are > vaccine challenges: hiv, malaria, in uenza. Immune system is the body"s defense system against: pathogens, cancers, organ transplants. Functions to: keep microorganisms out of areas that they shouldn"t be, remove microorganisms that get in, combat microorganisms that remain inside( ght organisms that remain inside, fight cancer (mutated/transformed cells) Well-balanced immune system should be able to: distinguish between self and non-self (pathogen, -> that means distinguish between own cells and pathogens.