CureVac will withdraw its first-generation Covid-19 vaccine candidate and focus on collaborating with GlaxoSmithKline to develop second-generation mRNA vaccine technology instead, the Germany-based biotechnology company has said.

CureVac said it would abandon its application for regulatory approval from the European Medicines Agency for its first-generation vaccine candidate CVnCoV after late-stage trials delivered disappointing results in June with 47 per cent efficacy.

There would be a potential overlap with approval timelines for a second-generation candidate.

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