Question: What Are The 4 Types Of Infectious Diseases?

Which is the most contagious disease?

Common cold – This is the most highly contagious and the most common infectious disease in humans.

This is an infection that has been a common thing since the existence of humanity..

What are the 5 most common infectious diseases?

The 5 Most Common Infectious DiseasesHepatitis 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.

What are the types of infectious disease?

Types of Infectious DiseasesAcinetobacter. Acinetobacter is a genus of Gram-negative bacteria belonging to the class of Gammaproteobacteria. … Anthrax. Anthrax is an infection caused by the spore-forming bacterium Bacillus anthracis. … Aspergillus. … Bird Flu. … Botulism. … Brucellosis. … Bubonic Plague. … C.More items…

What are the 4 types of infections?

This article will focus on the most common and deadly types of infection: bacterial, viral, fungal, and prion.

What are the four ways infectious diseases can spread?

Infectious diseases can spread in a variety of ways: through the air, from direct or indirect contact with another person, soiled objects, skin or mucous membrane, saliva, urine, blood and body secretions, through sexual contact, and through contaminated food and water.

What is the rarest disease on Earth?

RPI deficiency According to the Journal of Molecular Medicine, Ribose-5 phosphate isomerase deficiency, or RPI Deficinecy, is the rarest disease in the world with MRI and DNA analysis providing only one case in history.