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What you need to know about the Epsilon variant and its risks
https://abc7.com/delta-variant-epsilon-vaccine-coronavirus-variants/10872667/

Scientists identified three changes in the spike proteins of the Epsilon variant. One affected the receptor binding domain. The other two mutations affected the N-Terminal domain. Researchers say these mutations can weaken our current vaccines by up to 70% and side-step the naturally produced antibodies a person forms after being infected with COVID-19.

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But scientists saw all this in a lab setting. In real life, the human immune system has far more defenses than just antibodies and Plummer said vaccines make that possible. "Let's learn from the Epsilon variant," she said. "When we were able to get vaccinated, most of our cases were carrying this and we were able to kind of diminish it."