FOI release

ADR data - astrazeneca

Some or all of the information requested was not provided because we didn't hold it.

Case reference FOI2026/00107

Received 20 January 2026

Published 4 March 2026

Request

Under the freedom of information act I request the information about the astrazenca COVID-19 vaccine and how may cause stroke in people with blood group o.

Response

See attached

Documents

• FOI2026_00107 (redacted).pdf (542.0 KB)

This is Medicines and Healthcare products Regulatory Agency's response to a freedom of information (FOI) or environmental information regulations (EIR) request.

You can browse our other responses or make a new FOI request.