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What are diseases that can be transmitted called?
Infectious diseases are caused by microscopic germs (such as bacteria or viruses) that get into the body and cause problems. Some — but not all — infectious diseases spread directly from one person to another. Infectious diseases that spread from person to person are said to be contagious.
What is it called when a disease is easily transmitted?
A contagious disease is a disease that is readily spread (that is, communicated) by transmission of a pathogen from an infected person to another person. Contagious diseases vary in how readily they are communicated.
What does it mean for a disease to be transmitted?
In medicine, public health, and biology, transmission is the passing of a pathogen causing communicable disease from an infected host individual or group to a particular individual or group, regardless of whether the other individual was previously infected.
Are all communicable diseases infectious?
All contagious diseases are infectious, but not all infectious diseases are contagious. Contagious diseases are infectious diseases that are easily spread through contact with other people.
What are 5 examples of communicable diseases?
Some examples of the communicable disease include HIV, hepatitis A, B and C, measles, salmonella, measles, and blood-borne illnesses. Most common forms of spread include fecal-oral, food, sexual intercourse, insect bites, contact with contaminated fomites, droplets, or skin contact.
What is an infectious or communicable disease?
Communicable diseases, also known as infectious diseases or transmissible diseases, are illnesses that result from the infection, presence and growth of pathogenic (capable of causing disease) biologic agents in an individual human or other animal host.
How are common communicable diseases transmitted?
Viruses or bacteria are the most common germs causing communicable diseases. The diseases are often transferred directly from person to person through contact with body fluids, breathing in germs released into the air or contact with the skin, especially when there are open sores.
What diseases can be transmitted through the air?
Many common infections can spread by airborne transmission at least in some cases, including: Anthrax (inhalational), Chickenpox, Influenza, Measles, Smallpox, Cryptococcosis, and Tuberculosis. Airborne diseases can also affect non-humans.
Can disease be transmitted by contact with human saliva?
It begins when enzymes are produced to initiate the breakdown of foods during chewing. The continual production of saliva keeps the mouth moist. Many communicable diseases, however, find passage from one person to another through contact with saliva, such as when kissing or coughing.
How can disease transmitted by blood?
A blood-borne disease is a disease that can be spread through contamination by blood and other body fluids. Blood can contain pathogens of various types, chief among which are microorganisms, like bacteria and parasites, and non-living infectious agents such as viruses.