Fever is generated biologically when pyrogens trigger hypothalamic pathways that lead to the synthesis of prostaglandins, particularly prostaglandin E2, which acts centrally to raise body temperature. Multiple studies confirm that hypothalamic prostaglandin production is a central mediator of the febrile response.
The retrieved papers consistently support the claim that fever is generated via pyrogen-induced hypothalamic prostaglandin synthesis, detailing how various exogenous and endogenous pyrogens signal the hypothalamus to produce prostaglandins like PGE2, which drive the febrile response. There are no papers contradicting this mechanism.