Studies have identified a link between toll-like receptor 3 deficiency and postherpetic encephalitis.95, 96In genetic analyses excluding post-herpetic cases, HLA DRB1*16:02 has been associated with the Han population,97in which 14% exhibited ovarian teratoma, and a weak association with HLA-B*07:02 in the German population,98with an 89% ovarian teratoma rate. Here, HLA-B is linked to ovarian teratoma.