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COVID-19 Vaccination Adverse Reactions

Records relating to patients who have had any adverse reaction to a COVID-19 vaccination, which occur within the first 15 minutes after administration of the vaccine. Scope covers any adverse reactions that occur within the first 15 minutes after administration of the vaccine for vaccination events in England, or events from devolved administrations where this information was subsequently passed to England.

Page contents

Data set versions as presented in the DARS online system

COVID-19 Vaccination Adverse Reactions

Access method

Data set available in packages

Packages are pre-defined groups of fields and or tables that allow a customer to select from a list that best meets their needs. Packages do not allow a customer to customise their field or table selection.

  • No

Period of data coverage

08/12/2020 ongoing

Geographical scope of data

England

Linkable to other data sets

  • Yes - Options for linking using either pseudonymised or identifiable data.

Associated data sets

Data collection process

Submitted by: Vaccinating clinician

Collected by: NHS England

Frequency: Daily

Clinical coding systems

Does the data set include any standardised systems of coding?

  • None 
Full list of coding systems considered
  • SNOMED-CT: a structured clinical vocabulary for use in electronic health records
  • ICD: International Classification of Diseases classifies diseases and other health conditions
  • OPCS-4: Office of Population Census and Surveys classification of interventions and surgical procedures
  • dm+d : Dictionary of descriptions and codes which represent medicines and devices in use across the NHS
  • NICIP: National Interim Clinical Imaging Procedure provides consistent recording of imaging procedures
  • UCUM: Unified Code for Units of Measure (UCUM) is a code system intended to include all units of measurement
  • TFCs: Treatment Function Codes are used to record treatment activities undertaken
  • Read Code v2 : A coded thesaurus of clinical terms
  • Read Code Clinical Terms v3: A coded thesaurus of clinical terms
  • UICC: Union for International Cancer Control classification of cancer by anatomic disease extent
  • IMD: Indices of Multiple Deprivation measures relative poverty

Derived fields

Standardised formulation may be applied across multiple data sets to generate commonly derived fields.  Any standard derivations applicable to this data set are listed below. Note that this does not include bespoke derivations created specifically for the individual data set.

  • LSOA_OF_RESIDENCE (The Lower Super Output Area (lowest level without being disclosive) covering the area in which the patient’s postcode falls.)
Full list of standard derivations considered
  • GP_PRACTICE_CODE_TRACED (The GP practice that the patient is registered at, as found when traced against the Person Demographic Service (PDS))
  • CCG_OF_RESIDENCE (Clinical Commissioning Group covering the area in which the patient’s postcode falls where data relates to pre 1 July 2022. Otherwise ICB Sub Location)
  • ICS_OF_RESIDENCE (The Integrated Care System covering the area in which the patient’s postcode falls. This will be null for any data relating to earlier than 1 July 2022)
  • LA_OF_RESIDENCE (The Local Authority covering the area in which the patient’s postcode falls)
  • LSOA_OF_RESIDENCE (The Lower Support Output Area (lowest level without being disclosive) covering the area in which the patient's postcode falls) 
  • CCG_OF_REGISTRATION (Clinical Commissioning Group which has a commissioning relationship with the GP practice which the patient is registered at where data relates to pre 1 July 2022. Otherwise ICB Sub Location)
  • ICS_OF_REGISTRATION (The Integrated Care System covering the area in which the patient’s GP practice falls. This will be null until for any data relating to earlier than 1 July 2022)
  • LA_OF_REGISTRATION (The Local Authority covering the area in which the patient’s GP practice falls)
  • LOSA_OF_REGISTRATION (The Lower Super Output Area - lowest level without being disclosive) covering the area in which the patent's GP practice falls

Third Party licensing

Does the data set require copyrighted clinical assessment tools or outcome measures that require a licence?

  • None 

Advice and support

Governance of this data set is provided by:

Owning organisation: NHS England

Data Controller: NHS England

Data Processor: NHS England

NHS England provides a variety of functions for the data sets we make available.  Therefore, our knowledge and understanding of the data will vary, impacting the level of advice and support we can provide.

In relation to this data, we undertake partial management on behalf of the owning organisation. We may be able to offer some guidance but full advice and support is provided by that owning organisation.

Supporting documentation and guidance

ARTICLE

COVID-19 Vaccine Data

Data Provision Notice to allow NHS Digital to act as joint data controller, with NHS England, in respect of COVID-19 vaccination status and vaccination adverse reaction data, submitted through the COVID-19 Vaccination Programme.
ARTICLE

Metadata dashboard

This dashboard provides metatdata on publicly available fields for available data sets.

Last edited: 23 April 2025 5:22 pm