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Diphtheria is an upper respiratory tract illness characterized by sore throat, low-grade fever, and an adherent membrane of the tonsil(s), pharynx, and/or nose. A milder form of diphtheria can be limited to the skin. It is caused by Corynebacterium diphtheriae, an aerobic Gram-positive bacterium.

Fever, also known as pyrexia, is a medical symptom which describes an increase in internal body temperature to levels which are above normal (37 degrees Celsius, 98.6 degrees Fahrenheit). An adaptive mechanism, fever is the body's reaction to pathogens; it attempts to raise core body temperature to levels which will denature, debilitate, or kill the pathogen. Most fevers are caused by infections and almost all infectious diseases can cause fever. ...


Diphtheria as related to Fever