It becomes abnormally inflamed, has pus, is abnormally tender, skin changes colors, or does anything that differs from its usual behavior without a direct cause like a tug, or just getting it pierced.
here are some symtoms:
You will notice the area of the piercing hole will gradually become more red, you also might see green or yellow-ish colored puss coming out of the piercing hole. If this happens continue to clean it, if the piercing seems to be getting worse, best thing to do is remove the piercing.
If it has a yellow blister it is infected. Moreover the skin near the piercing may become inflammed showing a red colour around it.
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.