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If you are taking a medicine and experience any side effects, you should immediately report these to your doctor or pharmacist, to another healthcare professional (such as a nurse or carer) or to the company that produced your medicine. Reporting forms and information can be found at In the event of a suspected adverse event or side effect with no associated medical information enquiry, please contact [email protected]. Please always specify your country. If you have a medical information enquiry┬áincluding those with associated adverse events, contact Medical Information.
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COVID-19 mRNA Vaccine BNT162b2

This medicinal product has been given authorisation for temporary supply by the UK Department of Health and Social Care and the Medicines & Healthcare products Regulatory Agency. It does not have a marketing authorisation, but this temporary authorisation grants permission for the medicine to be used for active immunization to prevent COVID-19 disease caused by SARS-CoV-2 virus in individuals aged 16 years of age and over.

As with any new medicine in the UK this product will be closely monitored to allow quick identification of new safety information. You can help by reporting any side effects you may get.

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Adverse Events

If you are concerned about an adverse event, it should be reported on a Yellow card. Reporting forms and information can be found at or search for MHRA Yellow Card in the Google Play or Apple App Store and include the vaccine brand and batch/Lot number if available.
Alternatively, adverse events of concern in association with Pfizer BioNTech COVID-19 mRNA vaccine BNT 162b2 can be reported to Pfizer Medical Information on 01304 616161 or via
Please do not report the same adverse event(s) to both systems as all reports will be shared between Pfizer and MHRA (in an anonymized form) and dual reporting will create unnecessary duplicates.
By reporting side effects, you can help provide more information on the safety of this vaccine.