Investigate and describe the determinants and distribution of disease, disability, and other health outcomes and develop the means for prevention and control.

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. Plan and direct studies to investigate human or animal disease, preventive methods, and treatments for disease. Plan, administer and evaluate health safety standards and programs to improve public health, conferring with health department, industry personnel, physicians and others. Provide expertise in the design, management and evaluation of study protocols and health status questionnaires, sample selection and analysis. Conduct research to develop methodologies, instrumentation and procedures for medical application, analyzing data and presenting findings. Consult with and advise physicians, educators, researchers, government health officials and others regarding medical applications of sciences, such as physics, biology, and chemistry. Supervise professional, technical and clerical personnel. Identify and analyze public health issues related to foodborne parasitic diseases and their impact on public policies or scientific studies or surveys. Teach principles of medicine and medical and laboratory procedures to physicians, residents, students, and technicians. Standardize drug dosages, methods of immunization, and procedures for manufacture of drugs and medicinal compounds. Prepare and analyze samples to study effects of drugs, gases, pesticides, or microorganisms on cell structure and tissue.

English Language -- Knowledge of the structure and content of the English language including the meaning and spelling of words, rules of composition, and grammar. Mathematics -- Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications. Biology -- Knowledge of plant and animal organisms, their tissues, cells, functions, interdependencies, and interactions with each other and the environment. Medicine and Dentistry -- Knowledge of the information and techniques needed to diagnose and treat human injuries, diseases, and deformities. This includes symptoms, treatment alternatives, drug properties and interactions, and preventive health-care measures. Computers and Electronics -- Knowledge of circuit boards, processors, chips, electronic equipment, and computer hardware and software, including applications and programming. Education and Training -- Knowledge of principles and methods for curriculum and training design, teaching and instruction for individuals and groups, and the measurement of training effects. Sociology and Anthropology -- Knowledge of group behavior and dynamics, societal trends and influences, human migrations, ethnicity, cultures and their history and origins.

Reading Comprehension -- Understanding written sentences and paragraphs in work related documents. Writing -- Communicating effectively in writing as appropriate for the needs of the audience. Science -- Using scientific rules and methods to solve problems. Active Listening -- Giving full attention to what other people are saying, taking time to understand the points being made, asking questions as appropriate, and not interrupting at inappropriate times. Critical Thinking -- Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions or approaches to problems. Active Learning -- Understanding the implications of new information for both current and future problem-solving and decision-making. Speaking -- Talking to others to convey information effectively. Time Management -- Managing one's own time and the time of others. Complex Problem Solving -- Identifying complex problems and reviewing related information to develop and evaluate options and implement solutions. Mathematics -- Using mathematics to solve problems.

Inductive Reasoning -- The ability to combine pieces of information to form general rules or conclusions (includes finding a relationship among seemingly unrelated events). Problem Sensitivity -- The ability to tell when something is wrong or is likely to go wrong. It does not involve solving the problem, only recognizing there is a problem. Oral Expression -- The ability to communicate information and ideas in speaking so others will understand. Oral Comprehension -- The ability to listen to and understand information and ideas presented through spoken words and sentences. Deductive Reasoning -- The ability to apply general rules to specific problems to produce answers that make sense. Written Comprehension -- The ability to read and understand information and ideas presented in writing. Written Expression -- The ability to communicate information and ideas in writing so others will understand. Speech Clarity -- The ability to speak clearly so others can understand you. Near Vision -- The ability to see details at close range (within a few feet of the observer). Information Ordering -- The ability to arrange things or actions in a certain order or pattern according to a specific rule or set of rules (e.g., patterns of numbers, letters, words, pictures, mathematical operations).

Getting Information -- Observing, receiving, and otherwise obtaining information from all relevant sources. Updating and Using Relevant Knowledge -- Keeping up-to-date technically and applying new knowledge to your job. Communicating with Supervisors, Peers, or Subordinates -- Providing information to supervisors, co-workers, and subordinates by telephone, in written form, e-mail, or in person. Interacting With Computers -- Using computers and computer systems (including hardware and software) to program, write software, set up functions, enter data, or process information. Analyzing Data or Information -- Identifying the underlying principles, reasons, or facts of information by breaking down information or data into separate parts. Processing Information -- Compiling, coding, categorizing, calculating, tabulating, auditing, or verifying information or data. Evaluating Information to Determine Compliance with Standards -- Using relevant information and individual judgment to determine whether events or processes comply with laws, regulations, or standards. Documenting/Recording Information -- Entering, transcribing, recording, storing, or maintaining information in written or electronic/magnetic form. Organizing, Planning, and Prioritizing Work -- Developing specific goals and plans to prioritize, organize, and accomplish your work. Identifying Objects, Actions, and Events -- Identifying information by categorizing, estimating, recognizing differences or similarities, and detecting changes in circumstances or events.