Question: What Are Infectious Agents Give Example?

What is infectious disease?

Infectious diseases are caused by pathogenic microorganisms, such as bacteria, viruses, parasites or fungi; the diseases can be spread, directly or indirectly, from one person to another.

Zoonotic diseases are infectious diseases of animals that can cause disease when transmitted to humans..

What is the biggest source of infection spread to others?

This is the most common way that we get an infectious disease. Germs can spread from person to person through: the air as droplets or aerosol particles….Through blood or other body fluidshepatitis B.hepatitis C.HIV.

What are types of infection?

Types of infectionsViral infections. Viruses are very tiny infectious organisms. … Bacterial infections. Bacteria are single-celled microorganisms. … Fungal infections. Fungi are another diverse group of organisms that can include things like yeasts and molds. … Parasitic infections. … Prions.

How do pathogenic bacteria attack the human body?

Microorganisms capable of causing disease—pathogens—usually enter our bodies through the mouth, eyes, nose, or urogenital openings, or through wounds or bites that breach the skin barrier. Organisms can spread—or be transmitted—by several routes.

What are the 5 major 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 6 types of pathogens?

Infectious diseases are caused by pathogens, which include bacteria, fungi, protozoa, worms, viruses, and even infectious proteins called prions.

What is infectious agent?

Infectious agents is a term that is generally used to describe and encompass any material that can cause an infection that can lead to a disease. These types of materials are largely Bacterial but also largely comprised of Viral, Fungal, Rickettsias, Prions and Parasites.

How are infectious diseases classified?

The agents of infection can be divided into different groups on the basis of their size, biochemical characteristics, or manner in which they interact with the human host. The groups of organisms that cause infectious diseases are categorized as bacteria, viruses, fungi, and parasites.

What are some examples of common pathogens?

Bacteriastrep throat.urinary tract infection (UTI)bacterial gastroenteritis, such as salmonella food poisoning or E. coli infection.bacterial meningitis.Lyme disease.tuberculosis.gonorrhea.cellulitis.

What’s the difference between a pathogen and a virus?

Pathogens are disease-causing microorganisms. Pathogens are of different kinds such as viruses, bacteria, fungus, and parasites. Pathogens can be found anywhere including in the air, food and the surfaces that you come in contact with. While often confused as the same thing, bacteria and viruses are kinds of pathogens.

What is an example of an infectious agent?

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 sources of infectious agents?

Pathogens associated with HAIs are derived primarily from human sources, but contaminated objects and environmental sources are also implicated. Human sources include patients, HCP, house hold members, and visitors.

What is an infectious disease name at least 10 examples?

Protect yourself and your family from preventable infectious diseasesCoronaviruses. … Diphtheria. … Ebola. … Flu (Influenza) … Hepatitis. … Hib Disease. … HIV/AIDS. … HPV (Human Papillomavirus)More items…