Definition of putrid fever in US English:

putrid fever

noun

historical
  • (Originally) any fever deemed to be caused by putrefaction or accompanied by a putrid odour; (in later use) specifically typhus.

Origin

Late 16th century; earliest use found in Peter Lowe (cc1550–1610), surgeon and founder of the Faculty of Physicians and Surgeons of Glasgow. After post-classical Latin febris putrida; compare Middle French, French fièvre putride.