2. The skin of the arrested part is broken but there is no bleeding, which belongs to secondary exposure. Wash the wound with clean water, disinfect it locally with iodophor, and go to the local epidemic prevention and control center or hospital within 24 hours.
3. Scratched skin has laceration bleeding, which is a third-level exposure. It is necessary to wash the wound under running water for 20 minutes and disinfect it with iodophor. The wound is open and needs no dressing. Go to a regular hospital.