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.
The doctor is responsible to make the final decision, based on the information provided. Much of the work involves interactions with other health professionals: the technologist, the oncologist and the physician. Some radiologists perform minor medical procedures with interventional radiology.