Inactivated cell culture supernatant containing SARS-CoV-2 (hCoV-19/Netherlands/NH-RIVM-27142/2021, Delta variant). Virus was heat-inactivated for 2 hours at 60C. This strain is preserved in viral storage medium -80°C.
Vial containing RNA of SARS-CoV-2 (hCoV-19/Netherlands/NH-EMC-1720/2021, Omicron variant, lineage B.1.1.529. This strain has been cultivated on Calu-3 cells. . GSAID reference: hCoV-19/Netherlands/NH-RIVM-71084/2021.