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5 Jul, 2015

Mass killings may be contagious: US study

MIAMI: Mass killings in the United States may be contagious, according to a study Thursday which found that each deadly tragedy can increase the likelihood of another incident soon to follow. Scientists examined data from 1998 to 2013 on school shootings and other mass killings in the United States, according to the findings in the journal PLOS ONE. Events in which four or more people died “create a period of contagion that lasts an average of 13 days,” said the study.

Read the rest: Mass killings may be contagious: US study – The Express Tribune