1. Any infectious diseases, such as tuberculosis, pneumonia, polio, hepatitis, influenza, scarlet fever, diphtheria, atypical pneumonia, etc. As long as the other person is the carrier of the pathogen, you may be infected by it;
2. It is particularly important to note that sexually transmitted diseases, such as AIDS and syphilis, will spread through spitting;
3. There is another chronic disease that you are unprepared for-Helicobacter pylori, which is also contagious.
So, if you can avoid it, try to avoid it. Please respect yourself.
In addition, in fact, those bar girls are also very poor. If you have the ability, please help her cure the disease. This is the root! In addition, if you really like her, you'd better know her health before you approach her.
I hereby reply for your reference.