“…The association of some cases of AGU with EBV infection was suggested in 1977 and, since then, approximately 40 EBV-linked cases have been reported, mostly during primary infection or unspecified EBV infection (4), the involvement of EBV being reported in approximately 30% of AGU (1). Other infectious agents have also been involved in some cases, including CMV (7), Toxoplasma gondii, Mycoplasma pneumonia (6), Streptococcus spp, Salmonella enterica (8), mumps, influenza A and B virus, adenovirus (9), and Borrelia burgdorferi (10).…”