Moderna Announces Publication in The New England Journal of Medicine of Non-Human Primate Preclinical Viral Challenge Study of its mRNA Vaccine Against COVID-19 (mRNA-1273)

Moderna, Inc. (Nasdaq: MRNA), a clinical stage biotechnology company pioneering messenger RNA (mRNA) therapeutics and vaccines to create a new generation of transformative medicines for patients, announced on July 28th a preclinical study evaluating mRNA-1273, its vaccine candidate against COVID-19, was published in The New England Journal of Medicine . The study showed a two-dose vaccination schedule of mRNA-1273 led to a robust immune response and protection against SARS-CoV-2 infection in the upper and lower airways in non-human primates, without evidence of vaccine-associated enhanced respiratory disease (VAERD). In the study, immunogenicity and protective efficacy were assessed after a two-dose vaccination schedule of 10 or 100 µg doses of mRNA-1273 or control given four weeks apart (n=24; 8 per group). Four weeks after the second vaccination, animals were challenged with high doses of SARS-CoV-2 through intranasal and intratracheal routes.

For further information, see NEJM (https://www.nejm.org/doi/full/10.1056/NEJMoa2024671)

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