Looks like non-mRNA vaccines can be as good as Pfizer and Moderna in certain scenarios

World
By Editor

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A health worker in Mexico City prepares a Sputnik V dose during a mass vaccination effort against COVID-19. A new study in Mexico shows that non-mRNA vaccines like the Russian version can be as effective as mRNA vaccines like Pfizer if the patient has previously been infected with SARS-CoV-2.

The consensus has been that Pfizer and Moderna are most protective. But a study looking at 5 vaccines — including Russia’s Sputnik V and two Chinese types — offers an unexpected finding.

(Image credit: Luis Barron/Eyepix Group/Barcroft Media via Getty Images)



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