Three shots? Moderna tests booster as new strains threaten

By , Daily Memphian Published: January 28, 2021 4:00 AM CT

South Africa strain shows power of mutation against protective forces of two approved vaccines being deployed around the world.

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Moderna Pfizer-BioNTech vaccine Dr. Stephen Thelkeld Dr. Scott Strome
Jane Roberts

Jane Roberts

Longtime journalist Jane Roberts is a Minnesotan by birth and a Memphian by choice. She's lived and reported in the city more than two decades. She covers healthcare and higher education for The Daily Memphian.


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