Dree Na Paw, 17, a senior at Washington Technology Magnet School in St. Paul, gets her COVID-19 vaccination shot from volunteer RN Alex Wenzel at a clinic held at the school on Wednesday, August 4, 2021. (John Autey / Pioneer Press)
Science

El difícil equilibrio entre la vacuna contra el COVID-19 y la inmunidad natural

Former president Barack Obama speaks to students at the University of Illinois at Urbana-Champaign on September 7, 2018. Scott Olson/Getty Images
Politics

Barack Obama dice que Donald Trump “es el síntoma, no la causa” de la división en EE.UU.

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