Previous Article Next Article Table of Contents Nature, Vol.579, No.7800, 481-481, 2020 DOI10.1038/d41586-020-00798-8 Export Citation Coronavirus vaccines: key questions Callaway E Some experts warn that accelerated testing will involve some risky trade-offs. Some experts warn that accelerated testing will involve some risky trade-offs. Keywords:Virology;Infection Please enable JavaScript to view the comments powered by Disqus.