. . . . . . . "[The virus, herpes simplex virus type 1 (HSV1), when present in brain, acts together with the type 4 allele of the APOE gene, a known susceptibility factor in Alzheimer disease (AD), to confer a strong risk of AD; in carriers of the other two main alleles of the gene, the virus does not confer a risk.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2017-02-19"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2017-10-17T13:10:36+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .