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.
A Ph.D. epidemiologist holds a doctorate in the field, and typically will hold major leadership positions in a research facility, university, or possibly be the head of a major research study. If you have a Ph.D. in this field, you can possibly work as a statistician that analyzes data and statistics as it relates to many infectious diseases.