Meaning of infectionist in English:

infectionist

Pronunciation /ɪnˈfɛkʃ(ə)nɪst/

noun

historical Medicine
  • A person who believes that a particular disease is infectious (i.e. spread by indirect means, as by contaminated water) rather than contagious (i.e. spread by close contact with the sick).

Origin

Mid 19th century. From infection + -ist, after French infectionniste.