Definition, Meaning & Synonyms

immunoreactivity

noun

/ˌɪm.jʊ.nəʊˈriː.æk.tɪ.vɪ.ti/

Definition

Immunoreactivity refers to the capacity of the immune system to respond to foreign substances or antigens. It measures how well immune cells can recognize and react to these substances.

Examples

The immunoreactivity of the vaccine was tested in multiple trials.
High immunoreactivity can indicate a strong immune response to an infection.
Researchers observed changes in tissue immunoreactivity during the experiment.

Meaning

In simpler terms, immunoreactivity is how active and effective the body’s immune system is when it encounters pathogens or foreign bodies, such as viruses or bacteria.