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If you have received a Covid-19 booster vaccination within the last 2 days, click here to register.


COVID Vaccine Monitor study

Help us monitor the safety of COVID-19 vaccines in the UK

Why do this study?
The coronavirus (COVID-19) vaccines have been researched thoroughly before being given to the public. Only by being well researched may they be used. However, side effects after vaccination are always a possibility. The Drug Safety Research Unit would like to monitor this information. By doing so we will learn more about possible side effects as quickly as possible. Please find further information about the study in the Participant Information sheet.

If you would like to complete the study questionnaires on behalf of your child, please read the Participant Information Sheet for Parents and Legal Guardians. Further information about COVID-19 vaccinnations for children and young people can be found here.

Am I allowed to participate?
You may participate if you received your first COVID-19 vaccine no longer than two days ago or you will be getting it soon.

If you would like to participate, please click here to start.

What do I need to keep in mind if I participate?
To be able to participate, you must register first. After registration you will receive a questionnaire with some general questions. Seven days after vaccination, you will receive the next questionnaire. In total you will receive seven questionnaires over a period of six months. Questionnaires need to be filled in via the web app. Each questionnaire takes 10-25 minutes to fill in. The questions are about the possible side effects that you may have experienced after vaccination. Even if you do not experience any side effects, we ask that you complete the questionnaires. Participation is completely voluntary. You can stop your participation at any time without explanation.





What will be done with my data?
Storage and security of your data will comply with General Data Protection Regulation. For more information, please read the privacy statement.

Which side effects could I expect?
After any vaccination, a reaction can happen at the site of injection. It can be painful, red and/or swollen. You may feel generally unwell for a few days after the vaccination. Side effects such as headache, fever and muscle ache can also occur. For more information on COVID-19 vaccines and their side effects please visit

Most side effects occur within two days of vaccination and they disappear within a few days. If you have any questions about possible side effects of COVID-19 vaccines, contact your GP.

Do you have questions about the study?
Please take a look at the FAQs. You may also contact Drug Safety Research Unit at