FOI release

AstraZeneca report date when MHRA received a notification of CVST cases following use of the vaccine

This request was refused in part, so we didn't provide some of the information the requester asked for. This may include information where we can neither confirm nor deny that we hold it.

Case reference FOI2025/00099

Received 4 February 2025

Published 25 April 2025

Request

We understand that the first UK reports of a CVST following vaccination using the AstraZeneca vaccine were received by the MHRA on the 3, 11 and 18 of February 2021. Please confirm on what date the MHRA received the first report and/or was first notified of a cerebral venous sinus thrombosis “CVST” following vaccination using the AstraZeneca vaccine. Please provide all related correspondence in regard to this report, and any additional reports during February 2021.

Response

see attached

Documents

• Publication folder.zip (7.2 MB)

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