A variant upstream of IFNL3 (IL28B) creating a new interferon gene IFNL4 is associated with impaired clearance of hepatitis C virus.
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Prokunina-Olsson L, et al. Among authors: sheikh f.
Nat Genet. 2013 Feb;45(2):164-71. doi: 10.1038/ng.2521. Epub 2013 Jan 6.
Nat Genet. 2013.
PMID: 23291588
Free PMC article.