In the article titled “Assessment of humoral immunity and nutritionally essential trace elements in steady-state sickle cell disease Nigerian children before and after Prevenar 13 pneumococcal vaccination,” published on pages 170-173, Issue 3, Volume 4 of Blood Science,1 the Ethical Consideration statement “Approval for the study was obtained from the Health Research and Ethics Committee of the Lagos State University Teaching Hospital and the approval number is LREC/10/06/454.” was omitted. The Journal and the authors wish to apologize for this error.
Reference
[1]. Arinola GO, Disu E, Babatunde A, Olopade C, Olopade O. Assessment of humoral immunity and nutritionally essential trace elements in steady-state sickle cell disease Nigerian children before and after Prevenar 13 pneumococcal vaccination. Blood Science. 2022;4(3):170–173.