The potential link between inherited G6PD deficiency, oxidative stress, and vitamin D deficiency and the racial inequities in mortality associated with COVID 19 ScienceDirect Glucose 6 phosphate dehydrogenase deficiency The Lancet Blister Cell in G6PD Deficiency , Red Blood Cell with a clear vacuole like area on its membrane, resembling a blister., It usually results when splenic macrophages remove precipitated Heinz File:Glutathion metabolism DE state in G6PD deficiency.png Wikimedia Commons Glucose 6 Phosphate Dehydrogenase Deficiency Oncohema Key