CD4 and lymphoma: qPCR performed on cDNA isolated from WT B95.8 versus P3HR1 infected tumors confirmed that CCL22, LGALS1, PDGFRA, PDGFA, PDCD1 (PD1) and CD4 are expressed at higher levels in P3HR1 infected versus B95.8 EBV infected lymphomas (Fig 10B).