South America is a continent situated in the western hemisphere and, mostly, the southern hemisphere, bordered on the west by the Pacific Ocean and on the north and east by the Atlantic Ocean; North America and the Caribbean Sea lie to the northwest.

As part of the Americas like North America, South America is named after Amerigo Vespucci, who was the first European to suggest that the Americas were not the East Indies, but a New World unknown to Europeans.

South America has an area of 17,840,000 km² (6,890,000 sq mi), or almost 3.5% of the Earth's surface. As of 2005, its population was estimated at more than 371,000,000. South America ranks fourth in area (after Asia, Africa, and North America) and fifth in population (after Asia, Africa, Europe, and North America).

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BBC News | Health | World Edition

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NYT > Health

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CNN.com - Health

Police: Hospital worker swiped shots, spread hep C
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