New Comirnaty shows robust immune response against Omicron

4 November 2022

mRNA-based vaccine specialist BioNTech (Nasdaq: BNTX) and its partner Pfizer (NYSE: PFE) have released strong new data for its Omicron-adapted bivalent booster.

The updated version of its super-blockbuster Comirnaty has performed well in Phase II/III testing, generating a robust neutralizing immune response after one month.

Responses against two of the common circulating variants, BA.4 and BA.5, were substantially higher for those who received the bivalent vaccine compared with the original.

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