NATS 1670 Lecture Notes - Lecture 2: Surgeon General Of The United States, Emerging Infectious Diseases, Smallpox

• School: York University
• Department: Natural Science
• Course: NATS 1670
• Professor: Motti Anafi

Document Summary

Vaccinaion e. g. small pox had been eradicated by the mid-1970s. Infecious diseases appeared to be on the way out 1969 us surgeon general to congress it"s ime to close the book on infecious diseases . Infecious diseases as a group will not disappear. Pathogens are developing resistance to muliple drugs, some nearly all. Low concentraion of anibioics provides a selecive advantage for the resistant bacteria. High concentraion of the drug plus long treatment are likely to kill the drug resistant pathogens. Pathogens can acquire resistance to more than one drug at a ime. Pathogens can acquire resistance to several drugs composed of similar chemical structure.