A 19-year-man presents to the emergency department because he is bitten by a stray dog. On physical examination, there is a penetrating wound to the right forearm. The dog is nowhere to be found. The wound is cleaned with water and povidone-iodine solution. Which of the following is the most appropriate next step in management?
start postexposure prophylaxis contact the local public health professional for further advice treat with oral doxycycline treat with IV ceftriaxone