Counsel Against the Plague

8 5 4 1
25 March?
ib q 17?

all her forces against such an enemy. In other less malignant illnesses, she is not accustomed to make such and such a sudden effort. It will seem robust, because said poison is not a primary enemy to the other members as it is to the heart, and when it weighs upon that, it kills it quickly. Therefore, in these times, one should not lose any time in waiting for the signs of the disease, because the signs deceive you, and nature does not wait for you; if you do not run quickly with the remedies, for which reason, immediately upon sensing a fever in said times, suppose that it is or could quickly become pestilential, and treat it as such. Especially because, during the poisonous influence in the air, every superfluous humor easily catches it. And any infirmity can easily be converted into pestilence, especially furious and continuous fevers. From this it depends that in sickly times, generally, other infirmities do not appear but plagues; and if other infirmities multiply, then the pestilence diminishes and ceases. There are some signs of pestilential fever, namely: a continuous fever without an orderly and manifest decline; shortness of breath and chest pressure; sudden weakness of the pulse; heaviness of the entire person, especially of the head; delirium; boils; heat; thirst; blood spots in various places; urine that is thick and turbid, and almost like that of beasts. Yet I remind you that if