IIRC it's not exactly a "defense" it's plan A when something just happens to pass through the real defenses, like the mucus in your nose, the white blood cells in your blood etc
Like someone triggering the fire alarm in a building that may or may not be on fire
Commercial_Item_9591 t1_iy0mi8o wrote
Reply to ELI5 If fevers are the body’s defense against viruses, and the body’s top most interest is the preservation of life, then why does the body allow fever temperature to get life threatening high (104+)? by TheFaytalist
IIRC it's not exactly a "defense" it's plan A when something just happens to pass through the real defenses, like the mucus in your nose, the white blood cells in your blood etc
Like someone triggering the fire alarm in a building that may or may not be on fire