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.
Epidemiologists are scientists who study diseases within populations of people. In essence, these public health professionals analyze what causes disease outbreaks in order to treat existing diseases and prevent future outbreaks.owever, the importance of what an epidemiologist does can be seen in their national unemployment rate. According to the Bureau of Labor and Statistics, the national unemployment rate was 5.7 percent in January 2015. The national unemployment rate of health services professionals, as a whole, was 4 percent.