incubation period

American  

noun

Pathology.

1. the period between infection and the appearance of signs of a disease.

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incubation period British  

noun

1. Sometimes shortened to: incubation.  med the time between exposure to an infectious disease and the appearance of the first signs or symptoms

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incubation period Cultural  

1. The amount of time it takes for symptoms of a disease to appear after an individual is infected (see infection) with the pathogen that causes the disease.

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Etymology

Origin of incubation period

First recorded in 1875–80

Example Sentences

See Examples For:

incubation period

Some 120 people are being monitored in isolation units at three hospitals, while 694 contacts have successfully tested negative for the virus’s 21-day incubation period, according to the Ministry of Health.

From The Wall Street Journal ● Jun. 26, 2026

The incubation period ranges from 2 to 21 days.

From Science Daily ● Jun. 22, 2026

But he warned there is a long way to go as the eggs are "only around two weeks into incubation" and a curlew's incubation period is around 28 days.

From BBC ● May 31, 2026

With hantavirus, the incubation period can take up to six weeks, so people must be isolated for a really long time to ensure they won’t get sick and start infecting others.

From Slate ● May 16, 2026

Doctors performed the operation while he was in the incubation period after his exposure to Ebola.

From "The Hot Zone" by Richard Preston