Microbiology and Immunology 3820A Lecture Notes - Lecture 5: Mycobacterium Africanum, Mycobacterium Tuberculosis, Hemoptysis

• School: Western University
• Department: Microbiology and Immunology
• Course: Microbiology and Immunology 3820A
• Professor: David Colby

Document Summary

Very fatty with mycolic acids give name to mycobacteria. Tough to environmental conditions even tougher because they live inside cells therefore harder to get rid of. Mycobacteria classifications: tubercle bacilli complex (can cause tb, mott (mycobacteria other than tubercle bacilli, mycobacterium leprae (causal agent of leprosy, m. tuberculosis complex, mycobacterium tuberculosis, mycobacterium bocvis, mycobacterium africanum, mycobacterium mycobacterium canettii, mycobacterium microti. The disease tb can be caused from any of these. Tuberculosis: 1/3 of world population infected, 30 million active cases. Infection is airborne from active cases coughing: sneezes= large secretions do(cid:374)"t get carried far, small particle aerosols waft on air currents. If sputum stains negative for afb (acid fast bacteria) negative = patient is non- infectious. Incidence of tb is low in north america, except in first nations, inuit, refugees, Got really close to curing then cut funding whole new class occurred when. Anything you breath tends to go to lower lobes (esp right bronchus)