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Incubation Period


Updated June 15, 2009


In health care, the term incubation period refers to the time between exposure to an illness and when symptoms appear.

If you are exposed to an illness, there will be a certain amount of time between when the germs enter your body until you actually start to have symptoms. Incubation periods vary depending on the illness.

The incubation period for strep throat is about 3 days.
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