Photo of a doctor giving a man a vaccine in the arm

Medicine’s Mark Cameron discusses mRNA COVID-19 vaccines

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AstraZeneca may need six months to update its COVID-19 vaccine against variants, but U.S.-approved vaccines could be faster

cleveland.com: Mark Cameron, an associate professor at the School of Medicine, compared the mRNA part of the Pfizer and Moderna vaccines to a cartridge that could be removed, updated and re-inserted.