Your body usually does a great job defending you from all kinds of viruses, fungi, and bacteria. However, there are some pathogens out there that can hide from your immune system and stay dormant...
========== lets face it nobody likes being sick,
and for the most part our bodies protect us from all kinds of pathogens, Infectious disease causing things like viruses, bacteria, parasites, even fungi your skin and mucous membranes are physical barriers to keep out nasty microbes plus some immune cells can scan for any foreign molecule and attack. That's your innate immune response. then you have you're adaptive immune
response kicking into gear with other cells that make antibodies and specialized cells to target specific pathogens, that way if the pathogen ever infects you again, your body should be ready to fight it off but not always, some pathogens are tricky, they can go dormant in tough conditions or even hide in your body without you knowing, and ...