This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Screening, Subject name: Social & Preventive Medicine
Which of the following carriers recieved source of infection from other carrier is called- 
Select and explain. 
A. Incubatory carrier, B. Convulescent carrier, C. Healthy carrier, D. Chronic carrier
C: Healthy carrier
Answer: C: Healthy carrier 
Explanation: .