PUBHLTH 1 Lecture Notes - Lecture 46: West Nile Fever, Cryptosporidiosis, Yellow Fever
Document Summary
These infectious diseases were largely conquered through: Public health measures, purification of water, proper disposal of sewage, pasteurization. Lecture of milk, immunization, improved nutrition, personal hygiene. 1960-1970: public health seemed to be boring and become routine. Active and passive immunization infectious diseases were conquered infectious. Antibiotics robert koch ( a german physician) By shape and their propensity to be stained by various dyes. 2. the organism must be isolated and grown in the lab. 3. when injected with the la-grown culture, susceptible test animal must develop the: 1. organism must be present in every case of the disease disease. 4. the organism must be isolated from the newly infected animals and process repeated. Tuberculosis (rod shape), cholera (vibrio cholera, rod shape), typhoid, tetanus, diphtheria, dysentery, syphilis: streptococci, staphylococci (round-shape bacteria, cocci) Viruses (not complete cells, complex of nucleic acid and protein, can survive extreme conditions, reproduce themselves by taking control of the cell"s machinery, killing the cell)
