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US Health Expert: AstraZeneca Covid-19 Vaccine 60% Effective Against Delta Variant

Eric Feigl-Ding, an American Scientist and Health Expert said, the novel corona virus vaccine developed by the company AstraZeneca might be having limited effectiveness against the Delta Variant of the novel corona virus. According to a study, Eric Feigl-Ding said, the efficacy of the novel corona virus developed by AstraZeneca

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