infectivity

American  

[in-fek-tiv-i-tee] / ˌɪn fɛkˈtɪv ɪ ti /

noun

plural

infectivities

1. the ability to infect an organism or cause infection.

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Other Word Forms

• non-infectivity noun

Example Sentences

"This opens another dimension to looking at infectivity, and whether these differences among viruses account for variability in their ability to infect."

From Science Daily • Mar. 7, 2024

A: We know that mosquito saliva has some factors in it, anticoagulants and things like that, that may or may not improve the infectivity.

From Science Magazine • Oct. 26, 2023

This mutation gives XBB.1.5 a significant advantage, boosting infectivity while retaining XBB’s ability to sneak past human defenses.

From Scientific American • Jan. 10, 2023

These two mutations maintain the high level of immune escape of XBB, while also adding more infectivity advantage, giving the virus better ability to attach itself to the receptors that get it into our cells.

From Washington Post • Jan. 8, 2023

The high mortality and infectivity of this epidemic strongly suggest it.

From Peking Dust by La Motte, Ellen Newbold