: If an accidental touch does occur, a simple apology can go a long way. It shows acknowledgment of the incident and respect for the other person's space and feelings.

: Change seats or move to a different part of the bus near the driver.

: Note the bus number, time, and a description of the offender to provide to transit authorities.

Leo saw her flinch and pull back, a look of sharp discomfort crossing her face. The man didn't apologize; he just tightened his grip to stay upright.

Beyond hygiene, "touching" on buses often relates to the uncomfortable violation of personal space.