Infection

Categories: Health | Diseases
  • An infection is a condition where the body is invaded by microorganisms that multiply and damage the surrounding tissue. Infections can spread throughout the body or stay contained in a particular area. The microorganisms that can lead to an infection include bacteria, fungi, protozoa or viruses.CancerWeb: Infection MedicineNet: Definition of Infection Mayo Clinic: Germs: Understand and Protect Against Viruses and Infection
  • Causes of Infections

    1. Bacteria: Single-celled organisms without a defined nucleus.Fun Science Gallery: Introduction to the Protists They usually multiply quickly and some may release harmful toxins that make a person sickMedlinePlus: Bacterial Infections
    2. Fungi: Molds and yeasts that usually cause infections in the skin and lungs.
    3. Protozoa: Single-celled organisms with a defined nucleus, usually found in water.MedlinePlus: Parasitic Diseases Fun Science Gallery: Introduction to the Protists
    4. Virus: Protein encapsulated genetic material (DNA or RNA) that needs a host cell to reproduceMedlinePlus: Viral Infections
  • Disclaimer

    The content in this page is not a substitute for professional medical advice. If you think you have an infection, please consult your doctor.

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