title: Erratum.
abstract: Deason K, Miller-Little WA and Stüve O. Natalizumab and monocytes in multiple sclerosis: The dim haze of mystery and the enchantment of pursuit. Multiple Scleroris Journal 2015; DOI: 10.1177/1352458515574150The above editorial, originally published online on the 26th of May 2015 and amended on the 5th of October 2015, was published in error.SAGE offers its apologies for this mistake.