How Do Communicable Diseases Spread?

A communicable disease is one that is spread from one person to another through a variety of ways that include: contact with blood and bodily fluids; breathing in an airborne virus; or by being bitten by an insect.

What are three ways in which communicable diseases can be spread?

Some ways in which communicable diseases spread are by:

  • Physical contact with an infected person, e.g. through touch (staphylococcus), sexual contact (gonorrhoea, HIV), faecal/oral transmission (hepatitis A), or droplet (influenza)
  • Contact with a contaminated surfaces or objects (Norovirus), food (salmonella, E.

What is communicable disease?

Communicable diseases, also known as infectious diseases or transmissible diseases, are illnesses that result from the infection, presence and growth of pathogenic (capable of causing disease) biologic agents in an individual human or other animal host.

How can we prevent the spread of communicable diseases?

Preventing the Spread of Infectious Diseases

  1. Wash your hands often.
  2. Get vaccinated.
  3. Use antibiotics sensibly.
  4. Stay at home if you have signs and symptoms of an infection.
  5. Be smart about food preparation.
  6. Disinfect the ‘hot zones’ in your residence.
  7. Practice safer sex.
  8. Don’t share personal items.

What are the most common communicable diseases?

So, without further ado, here are the five most common infectious diseases.

  • Hepatitis B. According to current statistics, hepatitis B is the most common infectious disease in the world, affecting some 2 billion people — that’s more than one-quarter of the world’s population.
  • Malaria.
  • Hepatitis C.
  • Dengue.
  • Tuberculosis.

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