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Nature 593, 178-179 (2021)
doi: https://doi.org/10.1038/d41586-021-01146-0
Updates & Corrections
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Update 12 May 2021: This story was updated to include the news that on 7 May, the World Health Organization listed Sinopharm’s Beijing vaccine and reported an efficacy of 79%.
References
Victora, C. G. et al. Preprint at medRxiv https://doi.org/10.1101/2021.04.27.21256187 (2021).