Nina has the flu and a high fever. her immune system is exhibiting what line of defence

A high fever - that is, raising the temperature to make the body a less pleasant place for viruses and bacteria - is the first line of defence - the first thing that the body does to fight infections. It is a part of the innate immune responce - we don't have to "learn" it, as in the cases of some other immunological responces to specific bacteria and viruses.

gargle with salt water; gargling with warm salt water can soothe a scratchy throatsuck on a lozengetry otc pain reliefenjoy a drop of honeytry an echinacea and sage spraystay hydrateduse a humidifiergive yourself a steam shower

hope this !

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