V181 is a live attenuated dengue quadrivalent vaccine rDENVΔ30 where the four viral components of V181 (one for each serotype) present a deletion of 30 nucleotides in the 3’ non‐coding region (Δ30)
BI 1831169 is a recombinant live-attenuated Vesicular Stomatitis Virus (rVSV), modified to replace the VSV-G glycoprotein with the Lymphocytic Choriomeningitis Virus glycoprotein in order to minimize the potential of neurotoxicity for humans and skin disease in animals.