The experience must demonstrate:Knowledge of: 1) The causes and symptoms, and social and environmental factors affecting the transmission of communicable diseases; 2) Pertinent laws, regulations, administrative rules and policies relating to the reporting and control of communicable diseases; 3) The control methods, medical and epidemiological characteristics of communicable diseases; 4) lnvestigational, inspectional, educational & motivational methods and techniques; 5) Techniques and precautions in the collection, preparation, recording the transporting of specimens; and 6) Applicable provisions of confidentiality and freedom of information requirements; and the,Ability to: 1) Conduct investigational & educational activities; 2) Interpret & apply pertinent laws, regulations, rules and policies; 3) Perform various clinical activities; and 4) Establish and maintain effective working relationships with afflicted persons, physicians, other public health personnel & the general public. Level IV: Plans, organizes and performs the most complex investigational and educational epidemiological activities in an assigned communicable disease program area, in addition to making case assignments and assisting in the review of work performed by lower-level Epidemiological Specialist; or , functions as the Epidemiological Specialist in venereal diseases as well as other communicable diseases caused by bacterial, viral and other parasitic agents for a county; and performs other related duties as assigned.