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veterinary microbiology
People, dogs and bacteria
September 04th, 2011
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When penicillin was first introduced in the early 1940s, it was effective against nearly all bacteria. But nearly 70 years later, penicillin has lost its punch: while bacteria such as Streptococci are still frequently susceptible to the antibiotic, Staphylococcus aureusare often resistant. “Antibiotic resistance has emerged very quickly because bacteria have a very short generation time and can evolve and …