That which infects, or causes the communicated disease; any effluvium, miasm, or pestilential matter by which an infectious disease is caused.

A localized area of tissue which is inflamed by growth of microorganisms; as, he has an infection in his finger.

The formation of disease causing germs or micro-organisms

Part of the cycle of CF progression that occurs when bacteria or other organisms (for example, fungus) grow in the mucus buildup.

The way in which a virus 'possesses' a victim to make it do what the virus wants. RB: 1

Process where a virus replicates itself and performs the malicious actions it was designed to accomplish.

virus infects a system by attaching itself to one or multiple files or system parts.

The action a virus carries out when it enters a computer system or storage device.

That which taints or corrupts morally; as, the infection of vicious principles.

(international law) illegality that taints or contaminates a ship or cargo rendering it liable to seizure

Contamination