Part of Dr. Pride’s analysis is based on the fact that the Pfizer and Moderna vaccines are similar because both use Messenger RNA (mRNA) technology.
But the infectious disease specialist is quick to note tests are underway to make sure mixing the vaccines don t cause any harmful effects while still providing the same protection.
“The question becomes if you receive one vaccine, both of which target spike protein on the virus, and then a different vaccine, will you still stimulate that memory response or will your body remember and respond appropriately the second time? We believe these vaccines are similar enough that the answers are yes, but it hasn t been studied yet, said Dr. Pride.
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