The following are some of the major duties and roles of an epidemiologist:
Disease surveillance involves keeping an eye on the frequency and spread of illnesses within a community, seeing trends, and creating surveillance measures to catch outbreaks.
Investigate disease outbreaks to determine their cause, mode of transmission, and risk factors. Then, come up with control and prevention strategies.
Using statistical techniques, gather, examine, and interpret health data, such as demographics, disease rates, risk factors, and results.