Indus collapse … was there an epidemic?

At www.pasthorizonspr.com/index.php/archives/12/2013/disease-and-trauma-wit… … raises an interesting question. Collapse, as a result of catastrophism of some kind, whether it was tectonic or otherwise, and the shifting of the Indus river channels that left cities and towns stranded – or the complete drying up of one of those main river channels – how did it affect the survivors? Archaeologists have looked at some of the bones and found that people suffering from tuberculosis and other infectious diseases such as leprosy, became the victims of domestic violence. The paper is at PLoS ONE, the online journal, and concerns evidence from palaeopathology (the study of skeletons in this case rather than actual bodies).