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 or PNH is a rare and chronic disease that results in an abnormal breakdown of red blood cells. PNH is due to a spontaneous genetic mutation that causes red blood cells to be deficient in a protein, leaving them fragile.
Although it is not yet fully known what causes PNH, all. patients areless able to produce blood cells. They also have. abnormal red blood cells that may be destroyed by their. immune system. PNH is a disor der that affects men and women. of all races, backgrounds, and ages.