Журнал инфекционных заболеваний и терапии

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Fever is not a symptom in COVID-19

K. M. Yacob

We have been hearing for centuries that ‘fever is not a disease but a symptom’. Physicians say that fever is a symptom of diseases like flu to cancer. The conservative fever definition, diagnosis, and treatments are based on fever as a symptom. All the studies related to fever as a symptom of a disease have been done without knowing the Purpose of the temperature of fever is. Without knowing the Purpose of the temperature of fever, how can fever included in the symptom definition? Temperature between 38o to 41o centigrade can be symptom of a disease? Most of the diseases may not have a fever. Sometimes it disappears. Then, is fever a symptom of which disease?
Different cause of diseases never shows the same symptoms. Different causes of diseases like virus, bacteria, fungi, venom, horror scene, horror dream, never shows the same symptoms. Its actions are different and sometimes opposite. No similarities can be seen between their actions. Elevated temperature or increased temperature never make fever or symptoms of fever. It may create hyperthermia.