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.
An epidemiologist is a person who studies patterns of diseases or health risks in population groups, societies, and cultures. He or she may look at how diseases affect certain populations, the emergence of viruses in geographical locations, or he or she may track certain diseases.n epidemiologist may study car crashes as it relates to injuries. An epidemiologist may work with doctors and other health care workers to address specific health issues.