HLTB20H3 Lecture Notes - Lecture 9: 1918 Flu Pandemic, Per1, Ilus
Document Summary
Lecture 9: tuberculosis the captain of men of death. Tuberculosis (tb) is a contagious disease which infects nearly 9 million people annually one every second and kills over 2. 5 million people every year or one every 15 seconds. Possible that human tb is a mutant of bovine form. Cattle first domesticated in neolithic (6000-7000 b. c. ) in the old world suggestions that tb became an endemic human disease at this time. 4000 gene sequence or genome of the tb bacillus. Comment [ag2]: if you test positive for tb, it means you"ve been exposed to it, and your body"s immune system took care of it. But it will stay in the body, and you may fully develop it if you are for example extremely stressed, sick, etc. The product of urban poverty with the crowding, cramped living quarters, poor nutrition and appalling conditions of employment.
