Australian scientists raise doubts over whether AstraZeneca coronavirus vaccine can deliver herd immunity

Jan 13, 2021 | INVESTING

Australian scientists have raised questions over the efficacy of the AstraZeneca Covid-19 vaccine in establishing herd immunity, calling for a pause on its widespread roll-out as the country recorded one new coronavirus case on Wednesday.The opposition to the vaccine casts a cloud over Australia’s immunisation plans with 53 million doses of the AstraZeneca jab already on hand.“The question is really whether it is able to provide herd immunity. We are playing a long game here. We don’t know how…

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