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AstraZeneca's Covid-19 vaccine shows less effect against S Africa variant

Company has started adapting vaccine against variant, shot may be ready by autumn this year

AstraZeneca, pharma, coronavirus, vaccine
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Sarah Gilbert, the Oxford professor leading work on the AstraZeneca shot, said “more data” will be published soo

Yueqi Yang | Bloomberg
AstraZeneca’s Covid-19 vaccine has shown limited efficacy against mild disease caused by the variant first identified in South Africa, according to early data in a small phase trial.
 
Efficacy against severe Covid-19 cases, hospitalisation and deaths hasn’t yet been determined, “given that subjects were predominantly young healthy adults,” a spokesperson for AstraZeneca said in a statement.
 
None of the participants in the study died or was hospitalised, according to the Financial Times, which first reported on the findings. The study, with a relatively small sample size of more than 2,000 individuals, hasn’t yet been peer-reviewed and is due