A hamster bite will generally not cause an infection if it does not result in bleeding, and if it does result in bleeding, it may cause an infection. Hamsters belong to the rodent family and can carry pathogenic bacteria. If the bite does not result in a visible wound, vaccination is generally not required, but try to clean the wound with running water. If a hamster bite causes a visible wound and bleeding, if the wound is not cleaned and vaccinated in time, it may lead to infection or infectious diseases such as hemorrhagic fever and plague. If you are bitten by a hamster and do not take vaccination in time, you should observe your own health condition and go to the hospital in time if you experience any discomfort.