Theses de pestilentia

to exist until some whole kingdom or large region is afflicted.

X.
Nor are those better who contend that every plague must be joined with a fever.

XI.
They also err who establish it as a certain specific type of disease.

XII.
They dwell in the same error who believe that the primary receptive part original: "τὸ πρῶτον δεκτικόν" is some determined part.

XIII.
I believe those are also deceived who place sporadic cases under the category of common ones.

XIIII.
But they sin most gravely who wish for the plague to be a disease of the whole substance.

XV.
The internal cause is a notable putrefaction, which assumes the nature of a poison.

XVI.
This either occupies several humors at once, or one or another individually, or the vaporous substance of the body, or even the spirits themselves by analogy original: "κατ’ ἀναλογίαν".

XVII.
The external cause is either actually putrid, or has the potential