“Across the whole of the Americas, the introduction of infectious diseases from Europe resulted in a 90 percent fall in the population, from about 60.5 million in 1500 to 6 million a century later.” AmericaGenocideColonialism17th Century16th Century Book:Pathogenesis: A History of the World in Eight Plagues Source: Pathogenesis: A History of the World in Eight Plagues