Here's a look into the new possible Covid vaccine option, Novavax:
“What I’ve seen of the Novavax data so far is it’s a really impressive protein vaccine,” said University of Pennsylvania immunologist E. John Wherry.The Novavax vaccine trains the body to fight the coronavirus by delivering copies of its outer coating, the spike protein. Those spike copies are grown in insect cells, purified and packaged into nanoparticles that to the immune system resemble a virus, said Novavax research chief Dr. Gregory Glenn.
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.“It’s basically a soap bubble. It’s made of stuff that you find in root beer,” Glenn said. “When an immune cell sees that, it becomes quite activated. ... We supercharge the immune response.”It’s a very different approach than the Pfizer and Moderna shots.
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. Erck said the Serum Institute recently passed an FDA inspection, clearing the way for the agency to finish evaluating the vaccine.
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