Pathogen - Wikipedia
In biology, a pathogen (Greek: πάθος, pathos "suffering", "passion" and -γενής, -genēs "producer of"), in the oldest and broadest sense, is any organism or agent that can produce disease. A …
Pathogen: Types, Causes, Effects on Body & Control
What Is a Pathogen? Coughing and sneezing, bug or animal bites, contaminated food or objects and close contact can all transmit pathogens. Pathogens are microorganisms that can make …
Pathogens: Types and How to Defend Against Them
Oct 21, 2025 · Pathogens are tiny organisms that cause diseases and include bacteria, viruses, fungi, and parasites. To protect yourself, practice good hygiene like handwashing and avoid …
What Is a Pathogen? Understanding Infectious Microbes
Aug 4, 2025 · A pathogen is any microbe that causes disease in its host. It is not always a black-and-white distinction; some microbes can be harmless in one context and pathogenic in …
All About Pathogens: Bacteria, Viruses, and More - WebMD
Apr 26, 2025 · A pathogen is a living thing that causes disease. Viruses and bacteria can be pathogens, but there are also other types of pathogens.
MSK Library Guides: Infectious Diseases: Pathogens
Jun 13, 2025 · What are Pathogens? A pathogen is any organism that causes disease. Viruses, bacteria, fungi, and parasites are all examples of pathogens. Your body is naturally full of …
What Are Pathogenic Organisms and How Do They Cause Disease?
Jul 20, 2025 · Pathogens spread from a source to a host through several distinct routes. Direct contact involves the physical transfer of microorganisms, such as when shaking hands. This is …
What is a Pathogen? 4 Types and How They Spread Disease
Apr 3, 2019 · A pathogen is any organism that causes disease. Viruses, bacteria, fungi, and parasites are all examples of pathogens. Your body is naturally full of microbes.
PATHOGEN Definition & Meaning - Merriam-Webster
The meaning of PATHOGEN is a specific causative agent (such as a bacterium or virus) of disease. How to use pathogen in a sentence.
pathogen - Wiktionary, the free dictionary
9 hours ago · pathogen (plural pathogens) (pathology, immunology) An agent that can cause disease, especially an infectious microorganism, such as a bacterium, virus, protozoon or fungus.