West Nile Virus

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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.

WNV is endemic throughout North America and certain regions of Europe. For the latest European epidemiology see European Centre for Disease Prevention and Control

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;

Less 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

Pseudonyms or Related Conditions

WNV

Version

Version 1, Edition 1

Date of Last Update

15th June 2012