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.
Itâs a rare blood disease that stems from your genes. If you have it, your immune system attacks red blood cells in your body and breaks them down. They lack certain proteins that protect them. You can get paroxysmal nocturnal hemoglobinuria (PNH) at any age. You arenât born with it.