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
Epidemiological features for japanese encephalitis include all of the following except - 
Select and explain. 
A. The virus infects extra-human hosts, B. Man is an incident host, C. Infected pigs manifestation, D. Epidemics have been repoed in Karnataka
C: Infected pigs manifestation
Answer: C: Infected pigs manifestation 
Explanation: <p> Infected pigs do not manifest any ove symptoms of illness but circulate the virus so that mosquitoes get infected and can transmit the virus to man. The pigs are thus considered as &;amplifiers &;of the virus. Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:285. <\p>