COVID-19: Novavax jab 100% effective in protecting against moderate and severe disease, trial results suggest | Breaking News News

Novavax has said its COVID-19 vaccine is 100% effective in protecting against “moderate and severe disease” following its phase three trial results.

The American biotechnology company said the trial had shown its vaccine was also 93% effective against circulating variants of concern and variants of interest, and 91% effective in protecting high-risk populations.

The trial, which involved 29,960 participants across 119 sites across the US and Mexico, showed 90.4% efficacy overall.

The study placed an emphasis on having participants that represented communities and demographics most impacted by the disease.

Within the group, 77 people tested positive for COVID-19, 63 were on a placebo and 14 had received the vaccine.

All of the cases in the vaccinated group were defined as “mild” while 10 “moderate” cases and four “severe” cases were observed among those who had been given the placebo.

Gregory Glenn, president of research and development at Novavax, said: “Our vaccine will be a critical part of the solution to COVID-19 and we are grateful to the study participants and trial staff who made this study possible, as well as our supporters, including the US government.”

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