Nine months baby has a fever how does physics cool down

Common physical cooling methods include placing ice packs on the arteries such as head and armpit to balance the metabolism of the body and assist cooling; alcohol bath, but because the child's skin is delicate, warm water bath can be used instead of cooling, pay attention to water temperature, room temperature, etc.; drinking a lot of hot water to promote virus excretion in the body and maintain water electrolyte balance in the body.