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What are the different types of germs?

There are four main types of germs. Different germs cause different types of infections. Other names for germs are bugs, or microbes, because they’re so tiny they can only be seen by looking through a microscope. The four main types of germs include:

  • Bacteria: Cause infections like pneumonia and tuberculosis.
  • Viruses: Cause infections like measles and HIV.
  • Fungi: Cause infections like athlete's foot.
  • Parasites: Cause infections like malaria.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.