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Ciência

Regeneron desenvolve tratamento que reduz o risco de covid-19 sintomática

AFP
People cross the border from Mexico into the United States at the San Ysidro Land Port Entry in San Ysidro, California on November 8, 2021. - Long lines formed at border crossings Monday as the United States reopened to foreign visitors vaccinated against Covid-19, ending 20 months of restrictions that separated families, hobbled tourism and strained diplomatic ties. (Photo by Frederic J. BROWN / AFP)<!-- NICAID(14935459) -->

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