AstraZeneca/Oxford say Covid vaccine shows 70% efficacy
British drugs group AstraZeneca and the University of Oxford on Monday said their jointly-developed vaccine against Covid-19 has shown "an average efficacy of 70 percent" in trials.
British drugs group AstraZeneca and the University of Oxford on Monday said their jointly-developed vaccine against Covid-19 has shown "an average efficacy of 70 percent" in trials.