Wash it, cover it with a linen bandage and then if it is still sore or itchy you should seek medical attention.
No but it can get infected.
A cut.
Yes; it probably will. I am sorry.
go to a specialist
knock it down
it hurts and puss comes out
If you burn infected files onto an optical disc then those files remain infected and would remain on the optical disc permanently.
They burn chimicals to protect molecules from getting infected by energy.
Yes, that is why they store infected grain and then burn them.
Ask the doctor.
no, it is not. It will sting a bit, of course, but won't harm you.
These "burn bubbles" are called blisters. It is recommended that you do not pop them. Let them heal naturally on their own. If you do pop them, you risk them becoming infected.