EESA10H3 Lecture Notes - Lecture 7: Pneumonic Plague, Bubonic Plague, Yellow Fever

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No one single factor is responsible for transmissible diseases. We can know the agent (bacteria, virus, etc. ) We sometimes wrongly believe that transmissible diseases are a thing of the past, or care confined only to third world countries. More quickly transmitted now, because of increased travel. In the olden days, takes years to go from one continent to another, these days it can spread much more quickly. Antibiotics: antibiotics can cure bacterial diseases, but not viral diseases. The latter requires other types of medication: many bacteria are become resistant to known antibiotics. Because sometimes we consume antibiotics even if we don"t need it/aren"t prescribed it. For example, we take antibiotics for a viral disease: we get antibiotics through meat some animals are fed antibiotics to boost their immune system so that they won"t get sick. We"ve known about tuberculosis for a long time.

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