epidemiologist
/ˌɛpɪˌdiːmiˈɑːlədʒɪst/
noun
- A scientist who studies how diseases spread and affect populations, and works to control outbreaks.
- During the pandemic, epidemiologists advised the government on safety measures.
- My cousin became an epidemiologist because she wants to help prevent the spread of illnesses.
- The epidemiologist tracked the source of the food poisoning to a local farm.