Theses de pestilentia

diseases. One must observe what Aetius advises: that in the plague, all things become most horrible, so that those which usually are milder and more benign are, at this time, most grave.

XXIX.
Special signs either reveal an external cause or an internal one. Here, thoughts must be referred both to the past and the present state katastasis constitution/state and the preceding diet. And all signs of each humor must be placed before the mind.

XXX.
The prognosis is considered in two ways: universally and specifically. In general, every plague is pernicious. For unless it were able to kill many, it would not even be a plague.

XXXI.
In particular, we consider the type of disease, the external cause, the strength of the sick, the vehemence of the symptoms, and the rest.

XXXII.
Since the plague is not a determined type of disease, we will omit here the indications for treatment and the materials for remedies. The heads of preservation are mostly these: that bodies should be free of excrements and sweat well, and then, that the dominant cause be resisted as much as possible.