Airborne transmissionIn this type of transmission, infective agents are spread as aerosols, and usually enter a person through the respiratory tract.
Direct transmissionThis type of transmission is, at base, immediate. The transfer of the infectious agent is, as the name implies, directly into the body.
Indirect transmissionIndirect transmission may happen in any of several ways: vehicle-borne transmission and vector-borne transmission.
InfectionInvasion and multiplication of germs in the body. Infections can occur in any part of the body and can spread throughout the body.
report of a diseaseAn official report that notifies an appropriate health authority of the occurrence of a disease in a human, or in an animal.
ReservoirA reservoir of an infectious agent, such as a virus, is any animal, person, plant, soil, substance—or combination of any of these — in which the…
RiskThe possibility of loss; the uncertainty of future returns.
vectorany living creature that transmits an infectious agent to humans.
Vector-borne transmissionWhen researchers talk about vectors, often they are talking about insects, which as a group of invertebrate animals carry a host of different infectious…
Vehicle-borne transmissionIn this situation, a vehicle—that is, an inanimate object or material called in scientific terms a "fomite", becomes contaminated with the infectious…
Virus(VY-rus) In medicine, a very simple microorganism that infects cells and may cause disease.
zoonotic disease or infectionAn infection or infectious disease that may be transmitted from vertebrate animals (Such as a rodent) to humans.