What are infectious diseases?

What are infectious diseases?

Bacteria, virus, fungi or parasites are the main cause of infectious disease. Many organisms like them live in and on our bodies. They are normally harmless. But sometimes, they can create some infectious disease such as fiver or fatigue.

A few infectious diseases can be spread from person to person or animal to person. Even contaminated foods or water can spread this disease.

Symptoms of infectious diseases:

Several common symptoms of the infectious disease:

  • Fever
  • Diarrhea
  • Fatigue
  • Muscle aches
  • Coughing

When to see a doctor

See your doctor if you:

  • You have been bitten by any animal.
  • Breathe problem.
  • Have you cough for more than a week.
  • Experience a rash or swelling.
  • Prolonged fever.
  • Sudden vision problems.

Common causes:

There are a few common causes of infectious disease:

  • Bacteria are the one-cell organisms that create strep throat, urinary tract infections.
  • Though the Viruses minor than bacteria, it is responsible for the multitude of disease.
  • Fungi cause various skin diseases like ringworm and athlete’s foot.
  • Parasites create malaria. But other parasites can be transmitted from animal to human body.

Infectious disease can be spread through in many ways like person to person, animals/insects to person, and mother to unborn child even contaminated foods or water.

 

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