Human pathogen
Human Pathogen
Human Pathogen (pronunciation: /ˈhjuːmən ˈpæθədʒən/) is a biological agent that causes disease or illness to its human host.
Etymology
The term "pathogen" comes from the Greek words "pathos" meaning "suffering" or "disease" and "genes" meaning "born of" or "produced by".
Definition
A Human Pathogen is a type of microorganism, bacteria, virus, parasite, or fungus that can cause disease in humans. These diseases can be spread in a variety of ways, such as through the air, from person to person, or through the bite of an insect.
Types of Human Pathogens
There are several types of human pathogens, including:
- Bacteria: These are single-celled organisms that can cause diseases such as tuberculosis, pneumonia, and food poisoning.
- Viruses: These are small infectious agents that can cause diseases such as influenza, HIV/AIDS, and COVID-19.
- Parasites: These are organisms that live on or in a host organism and get their food from or at the expense of their host. Examples include malaria, giardiasis, and toxoplasmosis.
- Fungi: These are spore-producing organisms that can cause diseases such as ringworm, athlete's foot, and yeast infections.
Prevention and Control
Prevention and control of human pathogens involve a combination of personal hygiene practices, vaccination, and antibiotic use. In some cases, quarantine may be necessary to prevent the spread of a pathogen.
See Also
External links
- Medical encyclopedia article on Human pathogen
- Wikipedia's article - Human pathogen
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