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Study: Pfizer Vaccine Only Slightly Less Effective Against Variants By Ryan Chatelain Nationwide
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The COVID-19 vaccine developed by Pfizer and BioNTech appears to be only slightly less effective against the virus mutations first detected in England and South Africa, a laboratory study found.
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The COVID-19 vaccine developed by Pfizer and BioNTech appears to be only slightly less effective against the virus mutations first detected in England and South Africa, a laboratory study found
Researchers conducted the study by engineering three viruses containing key spike mutations found in the variants discovered in the U.K. and South Africa and testing it on blood drawn from people who had received the vaccine