A urinary tract infection (UTI) is an infection that can occur anywhere in the urinary system, including the kidneys, ureters, bladder, and urethra. While it is possible to get a UTI from fingers, it is rare.
The most common way for bacteria to enter the urinary system is through the urethra, the tube that carries urine from the bladder to the outside of the body. Bacteria can enter the urethra through sexual contact, improper wiping after using the restroom, or by using a contaminated toilet seat. The bacteria then travels up the urethra to the bladder, where it can cause an infection.
In rare cases, bacteria can enter the urinary system through other means, such as through touching a contaminated surface, or through fingers. This would require the bacteria to come into contact with the urethra, which is unlikely in most scenarios. For example, if a person were to touch a contaminated surface and then touch their urethra, there is a chance that the bacteria could enter the urethra and cause an infection. However, this is not a common occurrence.
In conclusion, while it is possible to get a UTI from fingers, it is very rare and not likely to occur. The most common way for bacteria to enter the urinary system is through the urethra, usually through sexual contact, improper wiping, or using a contaminated toilet seat.