West Nile Virus

Acceptability at Recruitment

ACCEPTABLE

Acceptability at CT / Work-Up

QUALIFIED

Individual at Risk

Recipient

Explanation of Condition

Infection causing fever and, rarely, encephalitis (brain inflammation). It is transmitted by a mosquito bite in endemic areas.

See also West Nile Virus

Guidance

Discuss with medical officer.

Unacceptable

Diagnosed with, or had a febrile illness consistent with, West Nile Virus less than six months ago;

Less than four weeks since returning from an area in which WNV is thought to be endemic, if WNV NAT (nucleic acid test) testing is unavailable;

Acceptable

More than 6 months has passed since the resolution of symptoms from a confirmed or suspected infection; More than 4 weeks from return from an endemic area if the donor has shown no symptoms of infection, and a validated WNV NAT is negative;

For the most up to date advice on areas with endemic WNV, refer to the Geographical Disease Risk Index (http://www.transfusionguidelines.org.uk/index.aspx?Publication=GDRI&Section=66

Pseudonyms or Related Conditions

WNV

Version

Version 1, Edition 1

Date of Last Update

15th June 2012