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Vacuna contra la COVID-19 de AstraZeneca y Oxford demuestra 70% de eficacia
AstraZeneca y la Universidad de Oxford anunciaron que la vacuna que están desarrollando tiene una alta eficacia, según ensayos clínicos realizados en el Reino Unido y Brasil. [Fuente: AFP]
- Redacción Mag
- 23 de noviembre de 2020 01:41 p. m.
- Duración: 02:00
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