Epstein - Barr virus (EBV) may also have a role in the B lymphoproliferation of the lacrimal gland that occurs in Sjogren’s syndrome (15) Human T-cell leukaemia virus 1 (HTLV-1) also seems to be associated with the condition as mice with the HTLV-1 tax gene have been reported to develop exocrinopathy resembling that of Sjogren’s Syndrome (16). Here, CNTN2 is linked to Sjogren syndrome.