Guidance

Influenza, COVID-19 and other respiratory viruses: sources of surveillance data

Sources of data for the surveillance systems used to monitor COVID-19, influenza and other seasonal respiratory viruses in England.

From:
UK Health Security Agency
Published
24 October 2022
Last updated
29 January 2026 — See all updates

Applies to England

Documents

Data quality report: national flu and COVID-19 surveillance report

Ref: GOV-17509

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Details

This page summarises the sources of data for the surveillance systems which are used to monitor COVID-19, influenza and other seasonal respiratory viruses in England.

Much of the data obtained through these surveillance systems is presented in the weekly national influenza and COVID-19 surveillance report.

Updates to this page

Published 24 October 2022
Last updated 29 January 2026 show all updates

  1. The data quality report has been updated this week to reflect changes in the Laboratory surveillance section.

  2. Added new section - Uses and users.

  3. Added quality information on mortality and for devolved administrations.

  4. Data quality report added.

  5. HARISS system included on the sources of surveillance data. Removed i-sense link.

  6. Updated the sources of surveillance data.

  7. First published.

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