{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,2]],"date-time":"2026-09-02T11:18:16Z","timestamp":1788347896350,"version":"build-2803163510"},"reference-count":36,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2025,12,12]],"date-time":"2025-12-12T00:00:00Z","timestamp":1765497600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,12,12]],"date-time":"2025-12-12T00:00:00Z","timestamp":1765497600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Transfusion Medicine"],"published-print":{"date-parts":[[2026,6]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Screening blood donations for HEV RNA mitigates the risk of transfusion\u2010transmitted HEV infection (TT\u2010HEV), a recognised blood safety issue in Europe. This study reports the findings of government\u2010funded HEV RNA blood donation screening 2016\u20132022 and includes an estimate of residual risk.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Method<\/jats:title>\n                    <jats:p>Donation samples were universally and individually tested for HEV RNA using the Procleix HEV assay. Repeat reactive samples were referred for further molecular (PCR, viral load, genotyping) and serological analyses. A previously described model was used for the estimation of residual risk.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      229 HEV RNA positive donations were identified in 980\u2009690 donations. Serological window period donations accounted for 148 (65%) of cases. HEV RNA donation positivity ranged from 1 in 6153 (0.016%) to 1 in 2314 (0.043%). In the absence of screening and with a residual plasma volume of 10\u2009mL, &gt;19% of the Hepatitis E virus positive Red Cell Concentrates (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200942\/220) could have resulted in transmission.\n                    <\/jats:p>\n                    <jats:p>\n                      The residual risk, based on a window period of 14\u2009days was estimated at 51 per million donations. At least 15 components with infectious doses of &gt;1\u2009\u00d7\u200910\n                      <jats:sup>6<\/jats:sup>\n                      \u2009IU were interdicted.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Autochthonous asymptomatic HEV infection continues to occur in Irish donors with relative frequency. As donors with higher viral loads can lead to infectious donations, the value of screening the blood supply for HEV is evident and supported by an absence of reported TT HEV cases. Interventions to control foodborne HEV may reduce the relative benefit of screening in the future.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/tme.70047","type":"journal-article","created":{"date-parts":[[2025,12,13]],"date-time":"2025-12-13T01:10:06Z","timestamp":1765588206000},"page":"279-289","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Hepatitis\n                    <scp>E<\/scp>\n                    virus screening in\n                    <scp>Irish<\/scp>\n                    blood donors: Seven years of individual donation nucleic acid testing reveals a frequent blood donor infection\u2014but what is the risk?"],"prefix":"10.1111","volume":"36","author":[{"given":"Niamh","family":"O'Flaherty","sequence":"first","affiliation":[{"name":"Irish Blood Transfusion Service  Dublin Ireland"},{"name":"National Virus Reference Laboratory University College Dublin  Dublin Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marice","family":"Mullarkey","sequence":"additional","affiliation":[{"name":"Irish Blood Transfusion Service  Dublin Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lisa","family":"Burke","sequence":"additional","affiliation":[{"name":"Irish Blood Transfusion Service  Dublin Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P\u00e1draig","family":"Williams","sequence":"additional","affiliation":[{"name":"Irish Blood Transfusion Service  Dublin Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jonathan","family":"Dean","sequence":"additional","affiliation":[{"name":"National Virus Reference Laboratory University College Dublin  Dublin Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jola","family":"Szulc","sequence":"additional","affiliation":[{"name":"Irish Blood Transfusion Service  Dublin Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Allison","family":"Waters","sequence":"additional","affiliation":[{"name":"Irish Blood Transfusion Service  Dublin Ireland"},{"name":"School of Public Health, Physiotherapy and Sports Science University College Dublin  Dublin Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2025,12,12]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1038\/nrdp.2017.86"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.3389\/fmed.2018.00005"},{"key":"e_1_2_10_4_1","first-page":"110","article-title":"Seven years (2015\u20102021) of blood donor screening for HEV\u2010RNA in France: lessons and perspectives","volume":"21","author":"Laperche S","year":"2023","journal-title":"Blood Transfus"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijfoodmicro.2023.110492"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/trf.13757"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.3201\/eid2809.220487"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/tme.12405"},{"key":"e_1_2_10_9_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1423-0410.2010.01412.x"},{"key":"e_1_2_10_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.tmrv.2019.06.001"},{"key":"e_1_2_10_11_1","doi-asserted-by":"publisher","DOI":"10.1111\/trf.13700"},{"key":"e_1_2_10_12_1","doi-asserted-by":"publisher","DOI":"10.3201\/eid1712.110371"},{"key":"e_1_2_10_13_1","doi-asserted-by":"publisher","DOI":"10.1159\/000499121"},{"key":"e_1_2_10_14_1","doi-asserted-by":"publisher","DOI":"10.1111\/trf.13978"},{"key":"e_1_2_10_15_1","doi-asserted-by":"publisher","DOI":"10.1111\/trf.13994"},{"key":"e_1_2_10_16_1","unstructured":"HealthCare EDftQoM.Guide to the preparation use and quality assurance of blood components. 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