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.
In addition to working for governments, occupational health and safety specialists worked in management, scientific, and technical consulting services; education services; hospitals; and manufacturing. Occupational health and safety specialists work in a variety of settings, such as offices, factories, and mines.