Piraeus

ἐς δὲ τὴν Ἀθηναίων πόλιν ἐξαπιναίως ἐσέπεσε, καὶ τὸ πρῶτον ἐν τῷ Πειραιεῖ ἥψατο τῶν ἀνθρώπων, ὥστε καὶ ἐλέχθη ὑπ’ αὐτῶν ὡς οἱ Πελοποννήσιοι φάρμακα ἐσβεβλήκοιεν ἐς τὰ φρέατα· κρῆναι γὰρ οὔπω ἦσαν αὐτόθι. ὕστερον δὲ καὶ ἐς τὴν ἄνω πόλιν ἀφίκετο, καὶ ἔθνῃσκον πολλῷ μᾶλλον ἤδη.

Then it fell on Athens without warning. It struck first at Piraeus, so that people there even claimed the Peloponnesians had poisoned the wells, for Piraeus had no fountains yet. Later it reached the upper city too, and from then on far more people died.