What are mRNA vaccines and how do they work, the type of dose that Argentina will produce

After the arrival of the first batches of vaccines from Pfizer and with almost two-thirds of the doses of Modern donated by USA in the arms of adolescents with comorbidities or older adults, the news that the Pan American Health Organization (PAHO / WHO) selected Argentina and Brazil to create two centers for the development and production of vaccines with messenger RNA technology returned to these platforms in center stage. What are they and what is their effectiveness?

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2021-09-22 00:08:37