Since the beginning of this year, measles cases have been reported in eleven states spanning both coasts and heartland. The situation warrants enough concern that the Centers for Disease Control and Prevention issued a warning to doctors about renewed measles risk.Unfortunately, vaccine skepticism is threatening to undo one of the great public health achievements of the modern era: the effective victory over this highly contagious and sometimes fatal viral infection, which is particularly dangerous for children and infants.Many children who catch measles develop pneumonia. Other complications include brain inflammation and, in rarer cases, subacute sclerosing panencephalitis — a deadly neurological ...