Can your body make antibodies for pathogens that you have never been in contact with? why or why not?

Your body has the possibility to create antibodies for pathogens but it never been in contact with it it will most likely not because your body never experienced it at all but there is a 12.17% chance antibodies will be created

No matter what they say you can’t change who you are so when u tell them whatever they say jus be like i’m who i am and i won’t change