Geographical Disease Risk Index

The Geographical Disease Risk Index (GDRI) forms a constituent part of chapter 3, chapter 20 and chapter 22 of the Guidelines for the Blood Transfusion and Tissue Transplantation Services in the UK.

It is for the assessment of travel-related risks for the donation of blood, tissues and cells, and is for healthcare professionals trained in its use.

View the guidelines

Search

Find guidance by searching

A to Z

See the full list of entries

Updates

View all GDRI updates

Additional resources

Using these guidelines

Learn how to use and apply the GDRI

Source files

Download an offline copy of the GDRI

Cross-references

View relevant entries across the donor selection guidelines

Latest updates

Change number Title Updated Guidelines affected Release
46-2026 Mosquito-borne virus risks in Italy and the Netherlands (PDF only, 552KB) 2 October 2026
Geographical index
60
47-2026 Viral haemorrhagic fever risk in Uganda (PDF only, 207KB) 2 October 2026
Geographical index
60
45-2026 France and USA (PDF only, 880KB) 25 September 2026
Geographical index
59
34-2026 Correction - Saudi Arabia (PDF only, 190KB) 17 September 2026
Geographical index
58
20-2026 VHF risks in the GDRI (PDF only, 243KB) 11 August 2026
Geographical index
57

View all updates to the GDRI