Charles Creighton, A History of Epidemics in Britain…
“ An ague, he goes on, “is either interpolate (intermittent) or continual; it is either engendered of a melancholic humour or it is a splenetic effect; the liver is obstructed by abundance of choler proceeding from a salt rheum that cometh from the brain” etc. Agues are to be dreaded most for their remote effects: “Say not therefore, ‘It is but an ague, but a feaver; I shall wear it out.’ Dally not with this disease;” ”
