What are the characteristics of infectious diseases?

What are the characteristics of infectious diseases?

Those characteristics are:

  • Infectivity: The ability to enter and multiply in the host.
  • Pathogenicity: The ability to produce a specific clinical reaction after infection occurs.
  • Virulence: The ability to produce a severe pathological reaction.
  • Toxicity: The ability to produce a poisonous reaction.

What is done when there are signs of infectious disease?

How are infectious diseases treated? Treatment depends on which microorganism causes the infection. If bacteria cause a disease, treatment with antibiotics usually kills the bacteria and ends the infection. Viral infections are usually treated with supportive therapies, like rest and increased fluid intake.

What are 4 examples of infectious diseases?

Infectious diseases can be any of the following:

  • Chickenpox.
  • Common cold.
  • Diphtheria.
  • E. coli.
  • Giardiasis.
  • Infectious mononucleosis.
  • Influenza (flu)

What do infectious disease doctors look for?

Infectious disease doctors test your blood or other body fluids to look for specific antibodies — cells produced by our immune system to fight harmful foreign substances. These tests can indicate what kind of infection is present. For bacterial infections, treatment usually involves antibiotics.

What is the most deadly infectious disease?

TB is currently the deadliest infectious disease, responsible for 1.6 million deaths last year, most of them in the developing world. And that’s not the scariest part. A rapidly growing number of patients are developing drug-resistant tuberculosis, which kills more people than any other drug-resistant pathogen.

What are infectious diseases caused by?

Infectious diseases are caused by microorganisms such as viruses, bacteria, fungi or parasites and can spread between individuals.

What are communicable diseases?

Communicable Diseases. 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.