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.
What is Epidemiology? Epidemiology is a field where trained epidemiologists study patterns of frequency and the causes and effects of diseases in human populations. Epidemiology provides the scientific footings for evidence-based medicine and allows placement of strategies for improvement in public health.