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Bacteria, Infection, and Antibiotic Resistance

Bacteria are tiny single-celled organisms occurring in many environments and on or inside the human body.

MicrobiologyIntermediate

Based on MedlinePlus en español — Bacteria, Infection, and Antibiotic Resistance. Original educational summary, read by a medical doctor and confirmed reliable, pending formal approval. Not medical advice.

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Learning outcomes

  • Explain not all bacteria cause disease.
  • Explain damage and transmission routes.
  • Explain antibiotics act on susceptible bacteria.
  • Explain resistance and responsible use.
  1. 1

    Not all bacteria cause disease & Damage and transmission routes

    5 min · includes quiz

  2. 2

    Antibiotics act on susceptible bacteria & Resistance and responsible use

    5 min · includes quiz