Government Reports On Vaccine Safety

This report from the Government covers the safety of the Coronavirus vaccines. There’s a link to a more detailed report at the foot of the page.

Government Report Into Vaccine Safety

  • Data published from UK’s independent medicines regulator confirms approved vaccines meet strict regulatory standards for safety
  • Vast majority of reported side effects are mild and short lasting, reflecting a normal immune response to vaccines – including a sore arm and fatigue
  • The benefits of the COVID-19 vaccines outweigh the risks

Routine safety monitoring and analysis of the approved COVID-19 vaccines by the UK’s medicines regulator, the Medicines and Healthcare products Regulatory Agency (MHRA), shows that the safety of these vaccines remains as high as expected from the clinical trial data that supported the approvals. The safety profile of the vaccines remains positive and the benefits continue to far outweigh any known side-effects.

Over 10 million doses of the Pfizer/BioNTech and the Oxford University/AstraZeneca vaccines have been given across the UK and the MHRA has gathered a large amount of safety data. Data published today shows 22,820 reports of suspected side effects, or an overall reporting rate of 3 in 1,000 doses of vaccine administered from 9 December 2020 to 24 January 2021. This reassuring data has shown that the vast majority of reported side effects are mild and all are in line with most types of vaccine, including the seasonal flu vaccine. These include sore arms and mild ‘flu-like’ symptoms, which reflect a normal immune response to vaccines and are short-lasting.

The MHRA has today published its safety surveillance strategy for monitoring the safety of all UK-approved COVID-19 vaccines. This has been informed by the Government’s independent advisory body, the Commission on Human Medicines, and expertise across the UK public health sector.

The MHRA has also published today the first of what will be regular COVID-19 vaccine safety reports. These provide details on the suspected side-effects to the vaccines reported through its safety monitoring system, the Yellow Card scheme. This data has been thoroughly analysed by the MHRA’s scientists and safety experts together with all other sources of evidence.

The MHRA is working to actively promote reporting on COVID-19 vaccines from patients and healthcare professionals to the Coronavirus Yellow Card scheme. Anyone who has received the vaccine and thinks they may have suffered a side-effect, even suspected, is encouraged to report it to the MHRA at: coronavirus-yellowcard.mhra.gov.uk.

Safety monitoring of all medicines and vaccines used by the wider UK population is a key role of the MHRA. The safety of COVID-19 vaccines is continually monitored throughout their use in healthcare practice to ensure they remain safe and effective. The regulator does this by identifying and comparing new and emerging data from multiple sources with what it already knows from large-scale clinical trials.

Dr June Raine, MHRA Chief Executive, said:

Vaccines are the most effective way to protect against COVID-19 and save lives and prevent serious complications from this terrible virus.

The data we have collected provides further reassurance that the COVID-19 vaccines are safe and continue to meet the rigorous regulatory standards required for all vaccines. We remain confident that the benefits of these vaccines outweigh any risks.

Our priority is to ensure the public have safe and effective vaccines and we will continue to analyse, monitor and review all the safety data for these vaccines.

I’d like to thank everyone who has reported a potential side effect to us – every report matters.

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