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.
Working Conditions. Phlebotomists work in clinical laboratories, hospitals, community health centers, nursing homes, doctorâs offices, blood donation centers and other health care facilities. They are usually supervised by a clinical laboratory technologist or other medical professional.