Artificial intelligent assistant

infectionist

inˈfectionist rare.
  [f. prec. + -ist.]
  One who lays stress upon infection as a cause of disease.

1836 E. Howard R. Reefer xxxvii, The appeal was unfortunate, both for the appealer and the doctor. The latter was an infectionist. 1865 Pall Mall G. 18 Aug. 9/2 An ardent ‘infectionist’, says that, in the very same quarter of London, those who used the Southwark and Vauxhall Company's water..died at the rate of seventy-one to every ten thousand houses. 1865 Intell. Observer No. 44. 128 The ultra contagionist or infectionist.

Oxford English Dictionary

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