It could, but that depends on how much the infection has spread and how much damage it's done.
If left untreated, a fungal infection on your lower lip could spread to other areas of your body.
Usually, a bite from a flea off an infected rat would do it, but it could also be spread from person to person through close contact.
Typically, preventing a spread of infection from one to another. I guess it could mean something similar in an individual.
Yes.
There are many different diseases that could be spread through sharing cups. These diseases could include blood and oral diseases.
the electricity goes through the wire which is connected to the T.V and then the T.V will start working, if the wire isn't connected to the T.V then the electricity could not pass through.
Not always. If a urinary tract infection goes untreated, it can progress into a kidney infection, but that does not always happen. If the infection is treated early enough, it can be stopped from getting worse and spreading.
No. You could spread the infection to others. You should wait until the infection is treated and the rash has resolved.
the virus could get in your blood stream and cause an infection
Not directly but keeping your mouth clean can lessen the chance of infection that could spread to tonsils
No, it can spread to other people possibly. Staph needs to be treated, if not you could possibly de.