History of the Peloponnesian War

Hagnon therefore returned with his ships to Athens, having lost by the plague fifteen hundred out of four thousand heavy-armed, in about forty days. The soldiers who were there before still remained in the country, and continued the siege of Potidaea.

After the second invasion of the Lacedaemonians, the Athenians, when their land had been again ravaged, and the disease and the war were afflicting them at the same time, changed their views, and found fault with Pericles, thinking that he had persuaded them to go to war, and that it was through him that they had met with their misfortunes;