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La Administración de Alimentos y Medicamentos de los EE. UU. (FDA, por sus siglas en inglés) acaba de aprobar una autorización de uso de emergencia para la vacuna de Johnson & Johnson, la tercera vacuna para combatir el coronavirus en EEUU....

Black Americans are nearly four times as likely as their white counterparts to be hospitalized following infection, and nearly three times as likely to die. Meanwhile, Hispanic Americans share a similar mortality rate, and are more than four times as likely to suffer a stint...