Monitor and report incidents of infectious diseases to local and state health agencies. Plan and direct studies to investigate human or animal disease, preventive methods, and treatments for disease. Communicate research findings on various types of diseases to health practitioners, policy makers, and the public. Provide expertise in the design, management and evaluation of study protocols and health status questionnaires, sample selection and analysis. Oversee public health programs, including statistical analysis, health care planning, surveillance systems, and public health improvement. Investigate diseases or parasites to determine cause and risk factors, progress, life cycle, or mode of transmission. Educate healthcare workers, patients, and the public about infectious and communicable diseases, including disease transmission and prevention. Conduct research to develop methodologies, instrumentation and procedures for medical application, analyzing data and presenting findings. Identify and analyze public health issues related to foodborne parasitic diseases and their impact on public policies or scientific studies or surveys. Supervise professional, technical and clerical personnel. Plan, administer and evaluate health safety standards and programs to improve public health, conferring with health department, industry personnel, physicians and others.