Erratum

In “Diminished B-Cell Response After Repeat Influenza Vaccination” by Sanyal et al [J Infect Dis 2019; 219:1586–95, updates were made after publication to enhance the quality of the reference list, add the trademark symbol to SAS, add author Holden Maecker’s middle initial, update Supplementary Figure 14 and its in-text reference, and to add further disclosure details to the Financial support section.