This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
[{'content': 'Epornithic is: \nSelect and explain. \nA. Epidemic outbreak among birds, B. Epidemic outbreak among fishes, C. Disease impoed into a country from foreign country, D. Epidemic outbreak among animals', 'role': 'user'}, {'content': 'Answer: A \nExplanation: EPORNITHIC: It is an outbreak (epidemic) of disease in a bird population. EPIZOOTIC: It is an epidemic of disease in an animal population (often with the implication that it may also affect human populations). Only a few zoonotic agents cause major epidemics. Examples are anthrax, brucellosis, rabies, influenza, Rift valley fever, Japanese encephalitis and equine encephalitis. ENZOOTIC: It is an endemic occurring in animals. Examples include anthrax, rabies, brucellosis, bovine tuberculosis, endemic typhus. Ref: Park 21st edition, page 89.', 'role': 'assistant'}]