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.
As described in Chapter 1, epidemiologists study the distribution and. determinants of disease frequency in human populations in order to con-. trol health problems.1(p1), 2(p62) Thus, the objectives of epidemiology are to. determine the extent of disease in a population, identify patterns and. trends in disease occurrence, identify the causes of disease, and evaluate.