 Some sources claim that, for a period, the plague killed around fifteen people per day; however, the sources of the city of Strasbourg at the time of the events did not mention the number of deaths, or even if there were fatalities.There do not appear to be any sources contemporaneous to the events that make note of any fatalities.The main source for this claim comes from John Waller, who has written several journal articles on the subject and the book "A Time to Dance, a Time to Die