FOI release

Freedom of Information request on number of people who have received the Astra Zeneca Vaccine and have reported a blood clot following the vaccination (FOI 21-337)

Published 28 June 2021

4th May 2021 FOI 21/337

Thank you for your FOI request dated 1 st April 2021, whereby you requested:

鈥渢he number of people who have received the Astra Zeneca Vaccine and have reported a blood clot following the vaccination.鈥�

The MHRA is collecting data concerning any adverse reactions observed to vaccine treatment through our Yellow Card Scheme. We are regularly publishing Yellow Card data associated with COVID-19 vaccinations. Yellow Card data for drugs is routinely published on the Yellow Card website, with vaccine data available on request. However, for COVID-19 vaccinations we are proactively publishing details of adverse drug reactions received, including MHRA assessment of the data to provide context. Please note this data is updated weekly. /government/publications/coronavirus-covid-19-vaccine-adverse-reactions

You may also wish to refer to the MHRA鈥檚 press release relating to this issue: /government/news/mhra-issues-new-advice-concluding-a-possible-link-between-covid-19-vaccine-astrazeneca-and-extremely-rare-unlikely-to-occur-blood-clots

Yours sincerely, FOI Team Vigilance and Risk Management of Medicines Division