indirect transmission of an infectious agent that occurs when a vector bites or touches a person
the act of sending a message; causing a message to be transmitted
communication by means of transmitted signals
the fraction of radiant energy that passes through a substance
the gears that transmit power from an automobile engine via the driveshaft to the live axle
a variable quantity that can be resolved into components
a straight line segment whose length is magnitude and whose orientation in space is direction
(genetics) a virus or other agent that is used to deliver DNA to a cell
any agent (person or animal or microorganism) that carries and transmits a disease
