World Health Organization (WHO) · Technical Documents
Annexes to the interim recommendations for use of the ChAdOx1-S [recombinant] vaccine against COVID-19 (AstraZeneca COVID-19 vaccine AZD1222 Vaxzevria™, SII COVISHIELD™): grading of evidence: evidence to recommendations tables, first issued 10 February 2021, updated 21 April 2021, updated 30 July 2021, last updated 15 March 2022
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Key facts
Organisation
World Health Organization (WHO)
Document type
Technical Documents
Source
World Health Organization