Novavax Initiates Pediatric Expansion for Phase 3 Clinical Trial of COVID Vax

 PREVENT-19 clinical trial expanded to assess the efficacy, safety and immunogenicity of NVX-CoV2373 for the prevention of COVID-19 in up to 3,000 12-17-year-old adolescents

- President of Research and Development, Gregory Glenn, M.D., to provide update regarding the additional trial arm during World Vaccine Congress

Novavax, Inc. (Nasdaq: NVAX), a biotechnology company developing next-generation vaccines for serious infectious diseases, today announced that it has initiated a pediatric expansion of its Phase 3 clinical trial for NVX-CoV2373, the company's recombinant protein vaccine candidate against COVID-19. The additional arm of the ongoing PREVENT-19 pivotal trial will evaluate the efficacy, safety and immunogenicity of NVX-CoV2373 in up to 3,000 adolescents aged 12-17 across up to 75 sites in the United States.

Participants will randomly receive either the vaccine candidate or placebo in two doses, administered 21 days apart. Two-thirds of volunteers will receive intramuscular injections of the vaccine and one-third will receive placebo. A blinded crossover is planned to take place six months after the initial set of vaccinations to ensure that all trial participants receive active vaccine. Participants will be monitored for safety for up to two years following the final dose.

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