[Pfizer] BNT162b2 #Vaccination in People Over 80 Years of Age Induces Strong Humoral Immune Responses with Cross Neutralisation of P.1 Brazilian Variant
▻https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3816840
... although neutralisation titres were reduced 14-fold against the P.1 variant first discovered in Brazil they remained largely effective.
Interpretation: These data demonstrate that the mRNA vaccine platform delivers strong humoral immunity in people up to 96 years of age and retains broad efficacy against the P.1 Variant of Concern.