infectious disease

American  

[in-fek-shuhs di-zeez] / ɪnˈfɛk ʃəs dɪˈziz /

noun

1. a disease caused by a bacterium, virus, or other microorganism, and often spreading by contact between individuals or by a vector such as an insect: ID

   Chicken pox and cholera are infectious diseases.

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infectious disease Scientific  

1. A disease caused by a microorganism or other agent, such as a bacterium, fungus, or virus, that enters the body of an organism.

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Etymology

Origin of infectious disease

First recorded in 1570–80

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Example Sentences

See Examples For:

infectious disease

"We know how to treat it," said Isaac Bogoch, an infectious disease specialist at Toronto General Hospital.

From Barron's ● Oct. 8, 2026

He added: "But of course people's thought with any outbreak of infectious disease at all runs to... lockdowns and Covid and that is just not what's going to happen here."

From BBC ● Oct. 5, 2026

The Kremlin today sought to play down concerns about the potential spread of an infectious disease, saying the infection was most likely not plague.

From The Wall Street Journal ● Oct. 5, 2026

Its return as a significant threat illustrates how difficult it can be to predict which infectious disease will drive the next major outbreak.

From Science Daily ● Sep. 20, 2026

Neither the Indians nor the Pilgrims had our contemporary under standing of infectious disease.

From "1491" by Charles C. Mann

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