Charles Creighton, A History of Epidemics in Britain…
“ The logical position of relapsing fever was completed by Dr Seaton Reid, of Belfast, when he proposed, in his account of the epidemic in 1846-7, to call it Relapsing Synocha [330] . Other fevers have shown a tendency to relapse in certain circumstances. Three fevers which have many points in common, the sweating sickness, dengue and influenza, are all subject to relapses. ”
