Freeze-dried Chikungunya virus, strain UVE/CHIKV/2009/FR/15.3 WT. This strain was obtained from modified infectious clone (LR2006_OPY1; La Reunion island 2006), transfected and cultivated on Vero cells
Freeze-dried SARS-CoV-2 virus, strain SARS-CoV-2/2021/FR/0610 (Lineage B 1.617.2, Delta) France 2021, complete genome sequence.
Presence of spike mutation A222V and absence of spike mutation Y145H.