This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
Which of the following carriers received source of infection from other carriers is called - 
Select and explain. 
A. Incubatory carrier, B. Convulescent carrier, C. Healthy carrier, D. Chronic carrier
A: Incubatory carrier
Answer: A: Incubatory carrier 
Explanation: <p> Incubatory carriers They are potential patients. Since then incubation period of cholera is sho(1-5 days) ,incubatory carriage is of sho duration. Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:230 <\p>