Example 8

To demonstrate safety and efficiency of the mRNA vaccine composition(s), a clinical trial (phase I) is initiated. In the clinical trial, a cohort of human volunteers is intradermally or intramuscularly injected for at least two times. In order to assess the safety profile of the vaccine compositions according to the invention, subjects are monitored after administration (vital signs, vaccination site tolerability assessments, hematologic analysis). The efficacy of the immunization is analyzed by determination of virus neutralizing titers (VNT) in sera from vaccinated subjects. Blood samples are collected on day 0 as baseline and after completed vaccination. Sera are analyzed for virus neutralizing antibodies.

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