On a biological level, why is high fever caused in seasonal influenza?
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replied February 14th, 2011
Hello and thank you for posting your medical question on E health Forum.

Fever is a common medical sign characterized by an elevation of temperature above the normal range of 36.5–37.5 °C (98–100 °F) due to an increase in the body temperature regulatory set-point.

A fever is one of the body's immune responses that attempts to neutralize a bacterial or viral infection (Eg. Seasonal influenza). It is a sign that a infective agent has been detected within the body and the body has initiated counter measures to prevent further spread and organ damage.

I hope this helps.


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