One of the people behind the Pfizer-BioNTech COVID-19 vaccine says he has yet to see any evidence that emerging variants of the disease have found a way to defeat it.
Dr. Ugur Sahin, who founded BioNTech with his wife Dr. Özlem Türeci, told CBC News Network's Power & Politics today that scientists have two main concerns when it comes to variants of the COVID-19 virus.
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Pfizer-BioNTech vaccine not troubled by variants so far, says CEO | CBC News
