Genomic RNAs of Lassa virus Lineage IV: 
Lassa virus SL-NL, 
Lassa virus TA491,
Lassa Virus Lib05-3800,
Lassa Virus Lib05-4094,
Lassa Virus Lib07-206,
Lassa virus Josiah,
Lassa Virus Lib06-174,
Lassa Virus Lib06-295,
Extracted from cell culture supernatant