The SARS-CoV-2 Pseudoviral Particles are replication-deficient Maloneymurine leukemia virus (MLV or MuLV) pseudotyped with the SARS-CoV-2 spike protein carrying the Omircon BQ.1.1 sub-variant genotype (GenBank accession# UYA32277.1). Replication deficient MLV-based virus system is a good choice for making pseudoviral particles in regards of lab safety and product quality.