mid-15c., from Middle French attestation and directly from Latin attestationem (nominative attestatio) an attesting, testimony, noun of action from past participle stem of attestari to prove, confirm (see attest).
Work Environment. Epidemiologists generally work in clean, well-lit offices and laboratories. In addition to hospitals, epidemiologists work in colleges and universities, schools of public health, medical schools, and research and development services firms.
Epidemiologists monitor infectious diseases, bioterrorism threats, and other problem areas for public health agencies. Epidemiologists are public health professionals who investigate patterns and causes of disease and injury in humans.They seek to reduce the risk and occurrence of negative health outcomes through research, community education, and health policy.pidemiologists collect and analyze data to investigate health issues. For example, an epidemiologist might collect and analyze demographic data to determine who is at the highest risk for a particular disease.