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Published byOlivia Houston Modified over 9 years ago
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Variant Creutzfeldt-Jakob Disease Impact on U.S. Military Service Members Lt. Col. David Lincoln Deputy Director Armed Services Blood Program Office Unclassified Slide 1
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vCJD-DoD Current Deferral Policy In residence or traveled to UK cumulative ≥3 mo(1980-1996) DoD & affiliated personnel in residence or traveled to BSE risk countries (Europe) cumulative ≥6 mo (1980-1996)* DoD affiliated personnel in residence or traveled to BSE risk countries (Europe) cumulative ≥5 yrs (after 1996) Other personnel in residence or traveled to BSE risk countries (Europe) ≥5 yrs or more (1980-present) Transfusion blood/blood product in UK or France (1980-present) Received bovine insulin prepared in the UK since 1980 *No distinction for Northern Europe vs. South of the Alps Unclassified Slide 2
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Saudi Arabia Residency vCJD Deferral New vCJD case in Canada Believed to have contracted vCJD while living in Saudi Arabia Two other patients from outside Canada also believed to have contracted vCJD while living in Saudi Arabia Canadian Blood Services to follow Héma-Québec (2008) and implement an indefinite deferral for donors who spent >6 months (cumulative) in Saudi Arabia 1980- 1996 DoD implementing same deferral effective Aug/Sep 2011 Unclassified Slide 3
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Rationale Supporting Deferral Between 1980 and 1996, Saudi Arabia imported beef from the U.K., which could have been exposed to BSE-- U.K. beef was likely available at DoD facilities 1990 DoD begins to discontinue purchase of UK beef Interviews with DoD Veterinary Command consultants and personnel deployed to Saudi Arabia for Desert Shield/Desert Storm indicate: U.K. beef consumption by U.S. military, civilians, and contractor personnel during that period Estimated 10% proportion of UK beef to total beef consumed by US forces in Saudi Arabia during DS/DS force due to beef consumption on local economy. Contractors may be higher Unclassified Slide 4
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Rationale supporting deferral Not known with certainty if vCJD cases related to food consumption in Saudi Arabia, but a possible source of infection It is possible that other bases within the Persian Gulf region may have acquired U.K beef during this time frame May have been acquired indirectly by third party Possible expansion of DoD deferral to include the entire Gulf Region under consideration Unclassified Slide 5
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Deployments to Saudi Arabia 1980 – 2003 U.S. Military Training Mission (USMTM) Saudi Arabia (1980-1990) Approximately 1,000 troops deployed annually Operation Desert Shield/Storm (Aug 1990-Sept 1991) Approximately 550,000 troops deployed 90% greater than 6 months Operation Southern Watch (1991-2003) U.S. combat troops and air crews enforce southern Iraqi “no-fly” zone Approximately 5,000 troops deployed annually Unclassified Slide 6
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Loss to Blood Supply from DoD Exposure Estimated number of U.S. troops based in Saudi Arabia from 1980- 1996 = 590,000 Fact: DoD civilians, government civilians, contractors could add another 200,000 Assumption: 5% blood donor population 790,000 X 5% = 39,500 donors However, approximately 30% of this population already deferred for vCJD risk based on European deferral or other conditions. A large number of this population retired or left active duty service and may be donating to civilian blood collection facilities Impact to Blood Supply appears to be minimal Unclassified Slide 7
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LOOKBACKs No recipient look backs based solely on new geographic risk deferrals will be performed by DoD Unclassified Slide 8
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