Contagious disease
Contagious disease
A contagious disease (pronunciation: /kənˈteɪdʒəs diːˈziːz/) is a type of infectious disease that can be transmitted from one person to another through direct or indirect contact.
Etymology
The term "contagious" comes from the Latin word "contagio" which means "to touch together". The term "disease" comes from the Old French "desaise" which means "lack of ease".
Types of Contagious Diseases
Contagious diseases can be caused by various types of pathogens, including bacteria, viruses, fungi, and parasites. Some examples of contagious diseases include influenza, tuberculosis, HIV/AIDS, and COVID-19.
Transmission
Contagious diseases can be transmitted in several ways, including:
- Direct contact: This occurs when a person comes into physical contact with an infected person or their bodily fluids.
- Indirect contact: This occurs when a person comes into contact with a surface or object that an infected person has touched.
- Airborne transmission: This occurs when a person inhales airborne particles containing the pathogen.
- Vector-borne transmission: This occurs when a person is bitten by an insect or animal that is carrying the pathogen.
Prevention
Prevention of contagious diseases often involves measures such as vaccination, hand hygiene, wearing personal protective equipment, and practicing social distancing.
Treatment
Treatment for contagious diseases depends on the specific disease and may include antibiotics, antiviral drugs, antifungal drugs, and antiparasitic drugs.
See Also
External links
- Medical encyclopedia article on Contagious disease
- Wikipedia's article - Contagious disease
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