This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: National Immunization Schedule 2020-21, Subject name: Social & Preventive Medicine
A 25 year old man met with an accident 8 hours ago. There is a contaminated wound present on right leg along with right arm fracture. Patient has history of complete tetanus immunization 13 years back. what is the next step? 
Select and explain. 
A. Single dose tetanus toxoid, B. Full course tetanus toxoid, C. Human tetanus immunoglobulin, D. Human tetanus immunoglobulin and single dose of toxoid
D: Human tetanus immunoglobulin and single dose of toxoid
Answer: D: Human tetanus immunoglobulin and single dose of toxoid 
Explanation: In above given case, there is a contaminated wound and h/o complete tetanus course is 13 years back(CATEGORY C), so we should give a single dose of tetanus toxoid and Human tetanus immunoglobulin. CATEGORY Clean wound <6H Other wounds A) CC < 5 years nothing nothing B) CC 5-10 years 1 dose TT 1 dose TT C) CC > 10 years 1 dose TT 1 dose TT + TIG D) NOT CC unknown Complete course TT Complete course TT + TIG