Final answer:
An Infectious disease is one wherein pathogens invade and colonize the body causing disease. They can be caused by various types of pathogens and can be transmitted through different mediums.
Step-by-step explanation:
The type of disease you are referring to is known as an Infectious disease. Infectious diseases are caused by pathogens such as bacteria, viruses, fungi, or parasites that invade and colonize the body. These pathogens can be transmitted through various mediums such as air, water, or through physical contact with an infected individual or a vector. Once the pathogens colonize the body, they may disrupt normal bodily functions leading to the onset of disease. Certain infectious diseases may show symptoms immediately after infection, while some may remain latent and only manifest after a certain period.
Learn more about Infectious Disease