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The efficacy of the Johnson & Johnson adenoviral vectored vaccine has dropped from 72% in the U.S. to 57% in South Africa in a clinical trial.
Why Vaccine Boosters May Not Solve the Mutating Coronavirus Problem
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Shin Jie Yong, MSc (Res)
Alberto García 🚀🚀🚀
·Follow
May 5, 2021
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great information Shin Jie Yong. Thank you so much for this articles.
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Written by Alberto García 🚀🚀🚀90K Followers
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Author. I write about spirituality, philosophy, and self-improvement. Learn how to use spiritual-help as a skill that generates wealth and happiness.
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