293-hSLAMs, transfected with a FLAG-tagged pcDNA3.1-BST2 expression construct (Figure 1, pcDNA3.1-BST2/BST2) or pcDNA3.1 mock control plasmid (Figure 1, 3.1) for 24 h, were subsequently infected at high (2) multiplicity of infection (MOI) with a recombinant MeV, expressing green fluorescent protein (GFP) as a separate transcription unit (MeV-GFP) [22]. The gene discussed is BST2; the disease is infection.