COVID: New protein-based vaccine up for approval
3 years, 1 month ago

COVID: New protein-based vaccine up for approval

The Hindu  

Sanofi and GlaxoSmithKline are seeking E.U. and U.S. regulatory approval of their protein-based COVID-19 vaccine, which proved 100 per cent effective at preventing severe illness in phase three clinical trials, the duo announced on Wednesday. Official trial results are yet to be published, but the companies reported that in phase three testing, two doses of the vaccine showed 100 per cent protection against severe illness or hospitalization, plus 75 per cent efficacy against moderate illness and 58 per cent efficacy against any symptomatic illness. To compare, mRNA vaccine giants BioNTech-Pfizer and Moderna announced efficacy rates of around 95 per cent protection against severe illness or hospitalization when results from their phase three clinical trials were released in November 2020. According to one study published in the British Medical Journal in January 2021, mRNA vaccine effectiveness against mild to moderate COVID infection significantly decreased from 82 per cent at 3-4 weeks after the second dose of vaccine to 33 per cent at 27-30 weeks after the second dose.

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