Eli5 if disease’s want to live in a host’s body without being discovered, then why do they have such nasty symptoms that can be used to easily identify and destroy them?

Question

Eli5 if disease’s want to live in a host’s body without being discovered, then why do they have such nasty symptoms that can be used to easily identify and destroy them?

In: 106

Answer 1

it triggers a lot of symptoms that are used to spread itself. sneezing, coughing etc. body fluids everywhere. theyre bloody clever. it doesnt benefit a virus to kill its host. the run-down feeling is our body diverting resources to fight it