Jan 15, 2017 · The meaning of INFECTIVITY is the ability to produce or transmit infection : the quality or state of being infective; specifically : the capacity to spread from host to host.

More specifically, infectivity is the extent to which the pathogen can enter, survive, and multiply in a host. It is measured by the ratio of the number of people who become infected to the total number …

Infectivity is defined as the ability of a pathogen to enter a host, survive initial host defenses, and multiply. This process is the minimum requirement for an infection to be established, regardless of …

Jul 30, 2025 · Infectivity refers to a pathogen’s capacity to establish an infection within a host organism. Understanding this concept is key to grasping how diseases spread and how public health measures …

Infectivity is measured quantitatively by the proportion of the individuals that develop the infection and all susceptible individuals who have been exposed to the infectious agent. Virulence determines how …

The most important property of a virus is its infectivity (the ability to invade a cell and parasitize that cell to replicate itself). To measure infectivity, one could look at any virus-cell interaction indicative of …

Looking for online definition of infectivity in the Medical Dictionary? infectivity explanation free.

A relative measure of the capability with which a disease-causing microorganism (pathogen) establishes an infection in a susceptible host. No items have been linked to this term.

Infectivity refers to the ability of a pathogen (such as a virus, bacterium, or other microorganism) to establish an infection in a host organism. This is generally measured by the proportion of exposed …

1 The capability of a disease agent to invade, survive, and multiply in a host. 2 The proportion of exposures to an infectious agent that result in an infection. From: infectivity in A Dictionary of Public …