recrudescence [recrudescences]◼◼◼(acute recurrence of a disease, or its symptoms, after a period of improvement) noun [UK: ˌriː.kruː.ˈde.səns] [US: ˌriː.kruː.ˈde.səns]
spate◼◼◻(a sudden rush or increase) noun [UK: speɪt] [US: ˈspeɪt]There has been a spate of thefts in our area recently. = Il y a eu une recrudescence de vols dans notre secteur récemment.