Moderna’s mRNA vaccines are our best chance to end..

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Moderna’s mRNA vaccines are our best chance to end this pandemic. Break up their duopol | #BBC news # Igihe

Moderna’s mRNA vaccines are our best chance to end this pandemic. Break up their duopol

There are about 7.1 billion people over age 5 in the world; vaccinating 80 percent with a two-vaccine series would require more than 11 billion doses.

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