GlaxoSmithKline and CureVac said a study on macaque monkeys showed their jointly-developed mRNA COVID-19 vaccine candidate to be "strongly improved" in protecting against the virus compared with CureVac's first attempt.
The encouraging news on its "second-generation" vaccine gave CureVac's German-listed shares an 8% lift, as the stock gradually recovers from a slump in June when the German biotech company's first vaccine candidate recorded a disappointing 48% efficacy in mass testing on humans.
The companies said on Monday that a blood analysis of the animals showed that the next-generation vaccine known as CV2CoV triggered virus-fighting antibodies as well as immune cells that target
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