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[Preprint]. 2020 Jul 17:rs.3.rs-40198. [Version 1] doi: 10.21203/rs.3.rs-40198/v1

Figure 6.

Figure 6

Cellular immune responses stimulated by sMVA-CoV2 vectors. Balb/c mice immunized twice in a three week interval with 5×107 PFU of the single or double recombinant sMVA-CoV2 vectors derived with FPV HP1.441 (sMVA-S/N hp and sMVA-N/S hp) or TROVAC (sMVA-S/N tv, sMVA-N/S tv, sMVA-S tv, sMVA-N tv) were evaluated for SARS-CoV-2-specific cellular immune responses. Antigen-specific CD8+ (A and B) and CD4+ (C and D) T cell responses induced by the vaccine vectors after two immunizations were evaluated by flow cytometry for IFN, TNFα, IL-4 and IL-10 secretion following ex vivo antigen stimulation using SARS-CoV-2 S and N-specific peptide libraries. Due to technical issues, 1–3 animals/group were not included in the CD4/TNFα analysis in C and D. One-way ANOVA with Tukey’s multiple comparison test was used to compare differences in % of cytokine-specific T-cells between groups. *p<0.05. ns=not significant.