The innate immune system provides a generalized, non-specific response to pathogens.

“well then you have What's called the innate immune system the innate immune system is this very generalized response system it's General in the sense that it deploys a basic set of neurochemicals that are not specific to the particular virus that's made it into your body so not only is it not specific to a particular serotype of the cold or a different type of flu virus but it's not even discriminating between cold or flu virus this thing we call the innate immune system is a generalized response system to go and combat viruses”