I'm just a madman, there are always a few days in the period of onset, please do not mind.

我只是一个疯子，总有那么几天发病期，请别介意。

youdao

The incubation period (interval from infection to onset of symptoms) of monkeypox varies from 6 to 16 days.

猴痘的潜伏期(从获得感染到出现症状的间隔时间)从6天至16天不等。

youdao

The incubation period (interval from infection to onset of symptoms) varies from four to 45 days.

潜伏期（从感染到出现症状之间的间隔）从4天到45天不等。

youdao

Wars had the greatest impact on stock market returns in the period prior to the onset of overt hostilities.

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Following the incubation period, a sudden onset of flu-like signs and symptoms occurs.

CNN: Smallpox

The latency period between radiation exposure and the onset of cancer has been documented to be as long as several decades.

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