History of the Peloponnesian War

The disease, then, to pass over many various points of peculiarity, as it happened to be different in one ease from another, was in its general nature such as I have described. And no other of those to which they were accustomed afflicted them besides this at that time; or whatever there was, it ended in this. And [of those who were seized by it] some died in neglect, others in the midst of every attention.

And there was no one settled remedy, so to speak, by applying which they were to give them relief; for what did good to one, did harm to another. And no constitution showed itself fortified against it, in point either of strength or weakness;