MCB 3020 Lecture Notes - Lecture 6: Archaea, Antimicrobial Resistance, Asepsis
Document Summary
Revealed cholera was concentrated in areas in need of sewage treatment & pure water supply. Milkmaids who contracted cowpox (milder) would not develop smallpox. Developed vaccination procedure: inoculated boy with cowpox, then smallpox. What is a vaccination? injection of a weakened form of a pathogen to produce immunity. It is produced by the mold penicillium, which was discovered to have killed all the bacterium on a petri dish. Not only was it the first vaccine, but it gave the allies an advantage in wwii over the germans. New & emerging diseases (hiv, aids, ebola) Changing climate (warmer temp -> survival of mosquitos) They continue to survive and reproduce, and the offspring develop immunity to antibiotics. This makes it harder for the illness to be treated. A group of very similar organisms (closely related) Those organisms within a genus that are more like each other than they are to any other organism.
