Persistent fever
Persistent fever can be caused by a variety of diseases. It is a fever activator acting on the body, which causes the generation of endogenous pyrogens (EP) into the brain and acts on the body's thermoregulatory center, which in turn causes the release of the fever center medium, which in turn causes the setting point to change, eventually causing fever and the fever to continue Don't retreat, keep a period of relatively high fever or low fever.
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