Research and analysis
Giardia: national laboratory data
Annual data of reported Giardia infections in England since 2007.
Documents
Details
These documents summarise annual laboratory reports of Giardia infection. The data includes:
- annual and regional statistics
- age and sex distribution
- seasonal variation
- information on outbreaks
Data between 2007 and 2017 includes laboratory reports for England and Wales, and were produced by Public Health England (PHE). Reports since 2025 are for England only, and were produced by the UK Health Security Agency (UKHSA).
Updates to this page
Published 30 May 2019
Last updated 26 August 2026
Show all updates
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Added 2025 report.
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Rebranded to UKHSA.
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First published.