GAITHERSBURG, Md., Oct. 11, 2023 /PRNewswire/ -- Novavax, Inc. (Nasdaq: NVAX), a global company advancing protein-based vaccines with its Matrix-M™ adjuvant, will present study findings during two posters sessions at IDWeek 2023, October 11-15, and three oral presentations at World Vaccine Congress (WVC) Europe 2023, October 16-19. Highlights include clinical data on Novavax's BA.1, BA.5 and bivalent variant vaccines, an evaluation of its prototype COVID-19 vaccine in children aged 6 to 11 years, real-world evidence on adverse events post-COVID vaccination and an update on its COVID-19-Influenza Combination (CIC) vaccine candidate.

"We are excited to share the latest clinical data and real-world evidence advancing the science behind our protein-based vaccine technology," said Filip Dubovsky, MD, President of Research and Development, Novavax. "These data will support the expansion of our label and describe characteristics that may help drive vaccine choice."

At IDWeek, Novavax will present data on key COVID-19 vaccine attributes that drive people's vaccine choices, and clinical data from two studies comparing its Omicron BA.1 and BA.5 variant vaccines to its prototype COVID-19 vaccine's ability to induce superior neutralizing antibody responses to BA.1 and BA.5 viruses in individuals previously vaccinated with mRNA vaccines.

At WVC EU, Novavax will showcase data from its Vaccine Impact on Productivity real-world study investigating the burden and impact of vaccine reactogenicity (solicited adverse local/systemic side effects), its Phase 2b/3 Hummingbird™ global clinical trial evaluating its prototype vaccine in children aged six through 11 years as well as its CIC vaccine candidate.

Novavax poster presentations during IDWeek:   


Presentation title 


Rousculp, M

Results From the COVID-19
Vaccines Discrete Choice
Experiment Pre-Test Qualitative
Interviews in Canada, Germany, the
UK, and US General Population

Poster Presentation

October 13, 2023

12:15-13:30pm (EST)
BCEC Poster Hall
Poster: 1371 

Bennett, C

Immunogenicity and Safety of a
Heterologous Booster Dose
of Omicron Subvariant (BA.1 and BA.5)
and Bivalent SARS-CoV-2
Recombinant Spike Protein
Vaccines: A Phase 3, Randomized,
Clinical Trial  

Poster Presentation

October 14, 2023

12:15-13:30pm (EST)
BCEC Poster Hall
Poster: 2337 


Novavax oral presentations during WVC EU: 


Presentation title


Zatonski, M 

Hummingbird NVX-CoV2373 COVID-
19 Global Clinical Trial: Data for
Children 6 through 11 Years of Age

Oral Presentation

October 17, 2023

13:45pm (CET)

Room 4

Shinde, V 

Update on Novavax Investigational
Influenza vaccine and COVID-19-Influenza
Combination Vaccine Development

Oral Presentation

October 18, 2023

14:00pm (CET)

Room 4

Perretti, A

COVID-19 Vaccines in the Real
World: Observed Reactogenicity

Oral Presentation

October 19, 2023

10:30am (CET)

Room 5

About Novavax
Novavax, Inc. (Nasdaq: NVAX) promotes improved health by discovering, developing and commercializing innovative vaccines too help protect against serious infectious diseases. Novavax, a global company based in Gaithersburg, Md., U.S., offers a differentiated vaccine platform that combines a recombinant protein approach, innovative nanoparticle technology and Novavax's patented Matrix-M adjuvant to enhance the immune response. Focused on the world's most urgent health challenges, Novavax is currently evaluating vaccines for COVID-19, influenza, and COVID-19 and influenza combined. Please visit and LinkedIn for more information. 

Erika Schultz

Ali Chartan

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