NATS 1670 Study Guide - Midterm Guide: Cyanobacteria, Thermoacidophile, Penicillin

149 views11 pages

Document Summary

Kills 3m people a year today, victims are middle aged people. Affects people in short time: pathogens: organisms that cause a disease (measles can kill as well as small pox, spanish flu: spread easily by soldiers travelling. Note diseases transmit different over the decades. 4000 years ago walk, 2000 boat: as a group will not disappear, drug- resistant strains: resistant from antibiotics-%higher from 2000s. Tb- 40% cases are resistant from antibiotics: outbreaks of existing diseases. Originally from africa, then middle east, then north america. Aggressive 60% of victims killed: new disease causing agent. Man- made amplifier sexual activity, drug addiction, blood products restaurants, hotels, hospitals tires from africa poultry farms pet retailers and stores. Aids, ebola virus 90% kill infected victims, sars (2002), 700 killed, deadly and contagious, contained from bats: operates on its spreading capacity rather than its ability to cause the disease. A well adapted microbe can live in its host without causing significant damage.