17 - 1/17 Tuberculosis Phthisis (wasting away) Hippocrates...

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1/17 Tuberculosis Phthisis (“wasting away”) Hippocrates Scrofula (swollen glands of the neck) Lupus Vulgaris (TB f the skin) 1 out of every 3 are infected with TB (in the world) 15 million are currently sick with TV 1.5 to 3 million will die Epidemiology Infection vs. Disease Tuberculin test measures infection, not disease Latent vs. Active phase (TB has both of these) Cause Growth in lung tissue Surrounded by white blood cells, walling off the damaged area = tubercle Eventual calcification of the lesion (easy to see on X-rays) If not walled off, liquefy and then make good aerosols Transmission Not very infectious, but very serious Main route is breathing 1 sneeze = more than 1,000,000 droplets with 3-10 bacilli per droplet Air from a TB ward can infect guinea pigs (UV treated air does not) Sources of TB disease Galloping consumption means you have TB (full blown) Overlap with HIV Faster development The reason it may go latent is because your immune system can control it, but
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17 - 1/17 Tuberculosis Phthisis (wasting away) Hippocrates...

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