FOI release

Trial data from Astra Zeneca, Moderna and Pfizer

Case reference FOI2026/01083

Received 3 September 2026

Published 15 October 2026

Request

I am requesting documentation indicating when MHRA first received trial data from Astra Zeneca, Moderna and Pfizer about its Covid-19 vaccine and for how many weeks and months afterwards continuing trial data was received by MHRA prior to authorisation of the vaccine for general use

Response

See attached

Documents

• FOI2026_01083 (redacted).pdf (1.4 MB)

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