Moderna to start clinical trials of booster shot that targets COVID-19 variant
Moderna announced on Wednesday it will begin testing a new version of its COVID-19 vaccine designed to target the coronavirus variant first reported in South Africa.
The pharmaceutical company said it has sent doses of the booster shot to the U.S. National Institutes of Health for clinical trials. In a statement, CEO Stéphane Bancel said Moderna is "committed to making as many updates to our vaccine as necessary until the pandemic is under control."
Moderna previously revealed that preliminary studies showed the vaccine still made neutralizing antibodies above protective levels for the South African variant, but because it was a reduced level, it prompted the company to begin tweaking the vaccine against the strain, as well as variants that first spread in the United Kingdom and Brazil.
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Moderna is already conducting tests involving giving a third dose of its original vaccine as a booster to people who have received two doses, and the new clinical trials will evaluate the safety of the variant-specific booster and a "multivalent booster candidate" that is one dose of the variant-specific booster and original vaccine, NBC News reports.
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Catherine Garcia has worked as a senior writer at The Week since 2014. Her writing and reporting have appeared in Entertainment Weekly, The New York Times, Wirecutter, NBC News and "The Book of Jezebel," among others. She's a graduate of the University of Redlands and the Columbia University Graduate School of Journalism.
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