reynne111
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  • 14-12-2018
  • Chemistry
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What is it that makes diseases caused by viruses and bacteria hard to treat? 

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Аноним Аноним
  • 14-12-2018

Bacteria and viruses have extremely rapid generation times, meaning that they evolve and change very quickly. Combined with their natural variability, this means that  bacteria and viruses can become naturally resistant to the drugs we use to treat them get selected for by their helpful mutations or "natural selection".

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