Positive data for Moderna vaccine in adolescents

25 May 2021

American messenger RNA specialist Moderna (Nasdaq: MRNA) has announced positive results from a study of its COVID-19 vaccine, mRNA-1273, in adolescents.

The Phase II/III trial met its primary immunogenicity endpoint, successfully bridging immune responses to the adult vaccination.

In the study, no cases of COVID-19 were observed in participants who had received two doses of the vaccine, with an efficacy rate of 93% in seronegative participants from two weeks after the first dose.

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