The disease in Byzantium ran a course of 4 months, and its greatest virulence lasted about 3. And at first the deaths were a little more than the normal, then the mortality rose still higher, and afterwards the tale of dead...
Confusion and disorder everywhere became complete. For slaves remained destitute of masters, and men who in former times were very prosperous were deprived of the service...
During that time it seemed no easy thing to see any man in the streets of Byzantium, but all who had the good fortune to be in health were sitting in their houses.
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Book XXII, year 542