Fever is a condition of raised body temperature above 37.7 C, recorded by a thermometer in the oral cavity. This condition is usually called a febrile condition
.The body temperature of a healthy person is regulated between 35.8 C to 37.2C (96.5 to 99F). There is a diurnal variation of the temperature. The temperature is at a lower level in the morning and increase as the day progresses.This variation is seen in fever also.
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