segunda-feira, 22 de março de 2021

AstraZeneca Covid vaccine offers 79% efficacy and guards against severe disease, trial shows #breakingnews #breaking #worldhealines

AstraZeneca's Covid-19 vaccine is 80 percent effective at preventing the disease in the elderly and does not increase the risk of blood clots, the biotech firm said Monday, following its US phase III efficiency trials.

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