Are there any uncontacted peoples who have had no interaction with the rest of the world? Answer by Ben Waggoner on Quora:As of 2013, there are estimated to be about 100 “uncontacted” tribes left in the world, mostly in thick forested areas like New Guinea and the Amazon rainforest (Uncontacted peoples). More recently, in 2014, three members of a previously uncontacted tribe in Brazil encountered a team from Brazil’s National Indian Foundation (FUNAI), and unfortunately caught influenza. See: Members of previously uncontacted tribe infected with flu. Here are the three:Probably the best known uncontacted tribes are the people of North Sentinel Island in the Indian Ocean.

Source: Forbes November 28, 2016 19:41 UTC