Sera obtained for treponemal serology (VDRL) from 193 Southeast Asian refugees representing five ethnic groups seen in a primary care clinic were examined for antibodies to human T-lymphotropic virus type 1 (HTLV-1), human herpesvirus-6 (HHV-6), Epstein-Barr virus (EBV), and cytomegalovirus (CMV). The seroprevalence was highest for EBV (99%), followed in decreasing order by CMV (95%), HHV-6 (26%), and HTLV-1 (0.6%). The VDRL was positive in 15% of patients. The highest seroprevalence to HHV-6 was noted in the Chinese (33%) and the lowest in the Laotian hilltribes, the Mien and Hmong (14%). Antibody to HHV-6 was most prevalent among patients under 20 and those between 60 and 69 years of age. Differences were not found among ethnic groups in the seroprevalence of HTLV-1, EBV, or CMV.
- Human herpesvirus-6
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