Purified recombinant SARS-CoV-2 BA.4/BA.5 (B.1.1.529.4/5) Spike protein (trimerisation domain and C-terminal hexa histidine-tag) expressed in mammalian HEK293F cells as secreted protein
Infectious cell culture supernatant containing SARS-CoV-2 ( hCoV-19/Netherlands/NoordHolland_10159/2021, South African variant). This strain is preserved in viral storage medium -80°C.