For this purpose, cDNA microarray data sets available at the R2 microarray database (http://r2.amc.nl; accessed on 1 May 2024) of EBV-positive B-cell lymphomas [33] and flow cytometry-sorted CD19-positive healthy EBV-negative B cells [34] were carried out. The gene discussed is CD19; the disease is B-cell non-Hodgkin lymphoma.