Figure 2.
Overview of participants’ allocation. High-dose: DelNS1-nCoV-RBD LAIV (1 × 107.7 EID50/dose) in 0.2 mL. Low-dose: DelNS1-nCoV-RBD LAIV (1 × 107 EID50/dose) in 0.2 mL. Placebo: inert excipients/dose in 0.2 mL.
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