Endemic Disease means that a disease -: (A) Occurs clearly in excess of normal expectancy, (B) Is constantly present in a given population group, (C) Exhibits seasonal pattern, (D) Is prevalent among animals
Answer is B. Endemic refers to the constant presence of a disease or infectious agent within a given geographic area or population groups, without impoation from outside Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 101