United States of America (USA) - Geographical disease risk index
- Malaria
-
No Risk
- Trypanosoma Cruzi
-
No Risk
- West Nile Virus
-
Risk
All regions of the USA except Hawaii and Alaska.
Donors who have visited between 1 May and 30 November must have the WNV guideline applied.
- Viral haemorrhagic fever
-
No Risk
- Mosquito-borne viruses
-
Risk
- Dengue Virus
Risk applies all year in Hawaii only.
- Reason for change:
- 'Tropical viruses' renamed 'Mosquito-borne viruses'
- Version:
- Mosquito-borne viruses
- Version details:
GDRI Edition 002 Release 57 (11 August 2026)