Confidence votes 11. According to Wikipedia, the width of the Atlantic Ocean at its narrowest point is 2,848 kilometers (1,770 mi) between Brazil and Sierra Leone.
Paroxysmal nocturnal hemoglobinuria (PNH) may cause unpredictable episodes of acute red blood cell destruction (hemolysis). This occurs when a part of your immune system called complement attacks red blood cells that lack certain protective proteins.
1 Primary biliary cirrhosis (PBC) is a liver disease caused by an abnormality of the immune system that is found predominantly in women. 2  The abnormal immunity in PBC causes chronic inflammation and destruction of the small bile ducts within the liver.