What Are The Agents Of Infectious Diseases?

There are five major types of infectious agents: bacteria, viruses, fungi, protozoa, and helminths.

In addition, a new class of infectious agents, the prions, has recently been recognized.

A brief review of the general characteristics of each of these agents and examples of some diseases they cause follows.

What are the agents of infection?

An infectious agent is something that infiltrates another living thing, like you. When an infectious agent hitches a ride, you have officially become an infected host. There are four main classes of infectious agents: bacteria, viruses, fungi, and parasites.

What are the 5 types of infectious agents?

Pathogenic organisms are of five main types: viruses, bacteria, fungi, protozoa, and worms. Some common pathogens in each group are listed in the column on the right. Infectious agents can grow in various body compartments, as shown schematically in Fig.

What are the 4 types of infectious diseases?

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

Where do infectious agents come from?

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

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