The battles with the Turks in the east did a great deal toward spreading typhus fever throughout Europe; for that reason the name ‘Hungarian disease’ came into existence. Toward the end of the fifteenth century, hitherto prosperous Hungary, by endless wars with Turkey and by international strife, was brought to the very verge of ruin. Agriculture ceased almost entirely, the development of the country came to a standstill, large tracts of land, such as the Banat region, assumed the appearance of a vast swamp, while at the same time the alternate cold nights and hot days, together with the great dampness, were very unhealthy for the foreign soldiers, who were not accustomed to such a climate. Partly this, and partly the utter lack of sanitation, increased the baneful effects of camp-life. Dirt and refuse accumulated in heaps, vermin multiplied so rapidly that it was impossible to get rid of them, corpses were inadequately buried, while enormous numbers of flies and gnats molested the soldiers and did a great deal toward spreading infectious diseases. The hospitals were in a pitiable condition, and since the soldiers, after their previous experiences, had little hope of leaving the country alive, they gave themselves over to a most dissolute life, in consequence of which the country suffered terribly. Several contemporaries bear witness to the fact that a large part of the German troops never once faced the enemy, for the reason that they succumbed beforehand to ‘Hungarian disease’, which killed more of them than the swords of the Turks. Hence Hungary was called at that time the ‘Cemetery of the Germans’. ‘Hungarian disease’ was typhus fever, which manifested certain unusual characteristics for the reason that the German troops, being unaccustomed to the local foods, inclined considerably toward intestinal catarrh and scurvy, while many of them also suffered from malaria, which weakened their power of resistance. The sudden beginning with a chill, the appearance of lenticular spots on the fourth, fifth, or sixth day, the duration of about fourteen days, the sudden fall of temperature—all these symptoms, mentioned by witnesses, definitely stamp the disease as typhus fever. If the disease has been identified by many historians with bubonic plague, the reason is that in serious cases of typhus fever suppuration of the salivary glands, gangrene of the lower extremities, of the nose and ears, &c., are not infrequent occurrences.