What is an agent that causes disease such as bacteria or virus?

What is an agent that causes disease such as bacteria or virus?

Infectious diseases are caused by microorganisms such as viruses?, bacteria?, fungi or parasites?. Microorganisms that cause disease are collectively called pathogens.

What type of agent is a virus?

Biological agents include bacteria, viruses, fungi, other microorganisms and their associated toxins. They have the ability to adversely affect human health in a variety of ways, ranging from relatively mild, allergic reactions to serious medical conditions—even death.

Is a pathogen a disease producing agent?

A pathogen or infectious agent is a biological agent that causes disease or illness to its host. The term is most often used for agents that disrupt the normal physiology of a multicellular animal or plant. However, pathogens can infect unicellular organisms from all of the biological kingdoms.

What is another name for disease causing agent?

A pathogen may also be referred to as an infectious agent, or simply a germ. The term pathogen came into use in the 1880s. Typically, the term is used to describe an infectious microorganism or agent, such as a virus, bacterium, protozoan, prion, viroid, or fungus.

Which is the correct definition of a disease producing agent?

any disease-producing agent, esp. a virus, bacterium, or other microorganism. path·o·gen. An agent that causes infection or disease, especially a microorganism, such as a bacterium or protozoan, or a virus. See Note at germ.

Which is the best definition of an agent?

n. An agent that causes disease, especially a living microorganism such as a bacterium, virus, or fungus. An agent that causes infection or disease, especially a microorganism, such as a bacterium or protozoan, or a virus. See Note at germ.

Which is the best definition of a pathogen?

US Department of Defense 2005. 1. A disease-causing organism. 2. A microorganism that causes disease. n. patógeno, agente capaz de producir una enfermedad. English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.

How are most human infections contracted by inhaling a pathogen?

Most human infections are contracted by inhaling, ingesting, or inoculating a pathogen. The bacterium is technically a pathogen, so the USDA looks at it. “The mosquito is really wily, but the pathogen is even more wily,” she says. Malaria is a shape-shifter, like HIV, always reshuffling the deck to make a new pathogen.

any disease-producing agent, esp. a virus, bacterium, or other microorganism. path·o·gen. An agent that causes infection or disease, especially a microorganism, such as a bacterium or protozoan, or a virus. See Note at germ.

n. An agent that causes disease, especially a living microorganism such as a bacterium, virus, or fungus. An agent that causes infection or disease, especially a microorganism, such as a bacterium or protozoan, or a virus. See Note at germ.

Which is the correct definition of the word pathogen?

Pathogen ′esis, Pathog′eny, mode of production or development of disease. Pathogen et′ic, Pathogen ′ic, Pathog′enous, producing disease. From these field and laboratory studies, it was concluded that the wilting and stunting were not produced by a plant pathogen. n.

Most human infections are contracted by inhaling, ingesting, or inoculating a pathogen. The bacterium is technically a pathogen, so the USDA looks at it. “The mosquito is really wily, but the pathogen is even more wily,” she says. Malaria is a shape-shifter, like HIV, always reshuffling the deck to make a new pathogen.