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Science | AAAS

Company says mutant coronavirus strains likely explain its candidate’s weak efficacy, but outside scientists question its “natural”

  • CureVac’s mRNA vaccine was widely expected to become one of the most powerful new weapons against #COVID19. But the recent revelation of a startlingly poor performance in efficacy trials has many wondering what went wrong. https://t.co/nB4YvSYIXH - view on twitter