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  2. Quick Facts: Infections/
  3. Biology of Infectious Disease/
    Biology of Infectious Disease
    • Overview of Infectious Disease
      • What is an infection?
        • What are microorganisms?
        • Where do germs come from?
        • Do all germs make people sick?
      • How do people get infections?
      • How does my body defend against infections?
        • Who's at high risk of infection?
      • What are the symptoms of infection?
      • How do doctors tell if I have an infection?
      • How do doctors treat infection?
      • How can I prevent infections?
    • Fever in Adults
      • What is a fever?
      • What causes fever in adults?
        • Fever of unknown origin
      • What are the symptoms of fever in adults?
      • When should I see a doctor about a fever?
      • How do doctors treat fever in adults?
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