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.
Rheumatic fever is a bacterial infection that can cause problems with the heart 's aortic and mitral valves. Rheumatic fever is caused by certain strains of streptococcal bacteria. A strep throat infection that isn't properly treated can trigger rheumatic fever. Rheumatic fever can damage heart muscle and heart valves.