Complex sentence: This epidemic was likely part of a pandemic affecting an area from Central Asia to the Mediterranian, that, via Constantinople, spread to Pińczów in southern Poland, where it was first recored in a Swedish military hospital in 1702.
Split into simpler sentences: This epidemic was likely part of a pandemic affecting an area from Central Asia to the Mediterranian. Most probably via Constantinople, it spread to Pińczów in southern Poland, where it was first recored in a Swedish military hospital in 1702.