Infected
Infected
Infected (/ɪnˈfɛktɪd/), derived from the Latin word 'infectus', meaning to taint or corrupt, is a term used in medicine to describe the state of having harmful microorganisms such as bacteria, viruses, fungi, or parasites present in the body.
Definition
An infection occurs when an organism invades a body's immune system and multiplies, causing harm by disrupting the body's normal processes. The severity of an infection can range from mild to severe and can be localized or systemic.
Types of Infections
There are several types of infections, including:
- Bacterial Infection: Caused by bacteria, which are single-celled microorganisms. Some bacteria are beneficial, but others can cause diseases such as tuberculosis or pneumonia.
- Viral Infection: Caused by viruses, which are smaller than bacteria and can't survive without a host. Viruses can cause diseases such as the common cold, influenza, and COVID-19.
- Fungal Infection: Caused by fungi, which include molds and yeasts. Fungal infections can cause conditions like athlete's foot and ringworm.
- Parasitic Infection: Caused by parasites, which are organisms that live on or in a host organism. Parasitic infections can lead to diseases like malaria and giardiasis.
Related Terms
- Inflammation: A response by the body's immune system to infection or injury.
- Antibiotics: Medicines used to prevent and treat bacterial infections.
- Antiviral: Medicines used to treat viral infections.
- Antifungal: Medicines used to treat fungal infections.
- Antiparasitic: Medicines used to treat parasitic infections.
External links
- Medical encyclopedia article on Infected
- Wikipedia's article - Infected
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