BusinessAugust 24, 2026

infectivity

in-fek-TIV-i-tee

Definition

The capacity or ability of a biological agent, such as a microorganism or parasite, to enter, survive, and multiply within a host organism.

Etymology

Derived from the Latin word 'infectus,' meaning 'stained' or 'tinged,' which relates to the idea of a pathogen spreading or contaminating a host.

In the news

In the context of evaluating biological products in Paraguay, the article lists infectivity as a key safety and efficacy factor that regulators must assess alongside other biological characteristics.

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