[Preprint] In RCT with 29,949 participants, the Novavax vaccine demonstrated high overall efficacy (>90%) for the prevention of Covid-19, and all moderate-to-severe cases occurred in placebo recipients.

Efficacy and Safety of NVX-CoV2373 in Adults in the United States and Mexico – medRxiv

Commentary: Novel vaccine demonstrates high efficacy for prevention of COVID-19 – News Medical

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RCT: Novavax vaccine conferred 89.7% protection against symptomatic SARS-CoV-2 infection and 100% protection against hospitalizations or deaths.

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(Press release – not published yet) Novavax COVID-19 vaccine demonstrates 90% overall efficacy and 100% protection against moderate and severe disease.

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[Press release – not published yet] Novavax reports 96% efficacy against original strain of COVID-19, 86% efficacy against B.1.1.7 variant, and 55% efficacy against B1.351 variant

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Commentary on Twitter

Remember Novavax's #COVID vaccine?

Recent data looks really good.

~30K participants enrolled in a prospective clinical trial.

The vaccine appeared to be safe & effective (>90%).

Unclear why approval is taking so long.

Preprint ? https://t.co/MQkJXdgJyR pic.twitter.com/217Erw2stC

— Isaac Bogoch (@BogochIsaac) October 12, 2021