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. 2021 Nov 5;7(45):eabj0611. doi: 10.1126/sciadv.abj0611

Fig. 4. Induction of humoral response to a SARS-CoV-2 DNA vaccine candidate.

Fig. 4.

(A) An integrated device used to apply suction for vaccine administration. (B) The geometric mean titer (GMT) for IgG against the SARS-CoV-2 S1 protein as determined by ELISA. n = 5, *P ≤ 0.05. The bars represent the endpoint titer geometric mean of all five animals for each group; the error bars are the 95% confidence interval (CI). The dashed line at 25 represents the cutoff threshold. Photo credit: Emran Lallow, Rutgers University.