Unformatted text preview: they saw a decrease in resistant microbes in hospitals ° Lobbies in the US would fight tooth and nail against a discontinuation of antibiotics in animal feed ° o R factors (resistance factors) ° If you look at old samples that were frozen before these antibiotics were produced by people, you can still find these R-factors • They existed before, as resistance against factors produced by other bacteria • But they were much more rare than they are today ° There are a number of microbial strains that are on the verge of being resistant to every drug we have available ° TB is an unusual bug • It has to be treated with many different drugs at the same time • There are often problems with patient compliance • Patients infected with multi-drug-resistant strains of TB have the same risk of dying as patients with a regular strain do if they are untreated – 50% will die...
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- Fall '09
- multi-drug antibiotic resistance, ???? Antimicrobial drug resistance