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This nationwide study analyses patterns of HIV diversity and transmitted resistance mutations. Study included 185 samples from the first time and repeat blood donors with HIV infection identified by molecular assay. HIV protease, reverse transcriptase and integrase were sequenced using population methods. Drug resistance mutation (DRM) patterns were analyzed based on the Stanford Interpretation Algorithm and standardized lists of transmitted mutations. Phylogeny was used to investigate subtyping, clustering and recombination patterns. HIV-1 subtype B\u00a0(89.2%) followed by subtype A6\u00a0(7.6%) were predominant, while in three\u00a0(1.6%) cases, novel recombinant B\/A6 variants were identified. Non-B variants were more common among repeat donors (14.5%) compared to the first time ones (1.8%), <jats:italic>p<\/jats:italic>\u2009=\u20090.011, with higher frequency (9.9%) of A6 variant in the repeat donor group,<jats:italic> p<\/jats:italic>\u2009=\u20090.04. Major NRTI DRMs were observed in 3.8%, NNRTI and PI in 0.6% and INSTI 1.1% of cases. Additionally, E157Q polymorphism was observed in 9.8% and L74I in 11.5% of integrase sequences. Transmission of drug resistance among blood donors remains infrequent. Subtype patters increase in complexity with emergence of novel intersubtype A6B recombinants.<\/jats:p>","DOI":"10.1038\/s41598-021-92210-2","type":"journal-article","created":{"date-parts":[[2021,6,17]],"date-time":"2021-06-17T10:03:09Z","timestamp":1623924189000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Transmitted HIV drug resistance and subtype patterns among blood donors in Poland"],"prefix":"10.1038","volume":"11","author":[{"given":"Mi\u0142osz","family":"Parczewski","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ewa","family":"Sulkowska","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anna","family":"Urba\u0144ska","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kaja","family":"Scheibe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karol","family":"Serwin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Piotr","family":"Grabarczyk","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,6,17]]},"reference":[{"key":"92210_CR1","doi-asserted-by":"publisher","first-page":"018","DOI":"10.1186\/s12916-018-1241-1","volume":"17","author":"D Paraskevis","year":"2019","unstructured":"Paraskevis, D. et al. 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