Moderna (MRNA) Doses First Participants in Phase 3 Study of Seasonal Influenza Vaccine Candidate (mRNA-1010)

Moderna, Inc. (NASDAQ: MRNA) today announced the first participants have been dosed in a Phase 3 study of the Company's seasonal influenza vaccine candidate (mRNA-1010). The trial is expected to enroll approximately 6,000 adults in Southern Hemisphere countries.

"We are pleased to begin this Phase 3 study of our seasonal influenza vaccine candidate, mRNA-1010, our fourth mRNA vaccine candidate to begin a pivotal Phase 3 study. mRNA-1010 is the first of several influenza vaccine candidates we are developing with the aim of iteratively improving traditional vaccines by inducing broad and robust immune responses. We believe our mRNA platform, with the flexibility and speed of our manufacturing process, is well-positioned to address the significant unmet need in seasonal flu, said St�phane Bancel, Chief Executive Officer of Moderna. "Influenza vaccines are a key pillar in our respiratory vaccine strategy that includes the development of combination candidates targeting multiple viruses in a single vaccine, including influenza with SARS-CoV-2 and respiratory syncytial virus. With the start of dosing for its mRNA-1010 program, Moderna now has four programs in late stage Phase 3 studies, including its SARS-CoV-2 booster, RSV, seasonal flu and CMV vaccine candidates. Beginning in the fall of 2022, the Company's Phase 3 pipeline could lead to three respiratory commercial launches over the next two to three years."

This Phase 3 randomized, observer-blind study is designed to evaluate the safety and immunological non-inferiority of mRNA-1010 to a licensed seasonal influenza vaccine in adults 18 years and older. Participants will be randomly assigned on a 1:1 ratio to receive either a single dose of mRNA-1010 or a single dose of a licensed seasonal influenza vaccine as a comparator.

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