Americans may soon have a new COVID-19 vaccine option — a more traditional kind of shot known as a protein vaccine. The FDA is evaluating the vaccine made by Novavax, which is already used in parts of Europe and multiple other countries.
Then an immune-boosting ingredient, or adjuvant, that’s made from the bark of a South American tree is added that acts as a red flag to ensure those particles look suspicious enough to spark a strong response.
Novavax, a small biotech company, created the vaccine in its research lab, but the Serum Institute of India, the world’s largest vaccine maker and other factories produce the shots.
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