ERVW-1 and Behcet disease: Increased levels of HERV-K, HERV-W, and HERV-H expression have been observed in BD and SZ, along with an association between higher concentrations of pro-inflammatory cytokines and HERV-W antigenemia, suggesting a potential inflammatory modulation mediated by HERVs (Karlsson et al., 2001; Perron et al., 2012; Tamouza et al., 2021).