View source for 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 [http://en.wikipedia.org/wiki/West_Nile_virus 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 [http://www.transfusionguidelines.org.uk/index.aspx?Publication=GDRI&Section=66 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