| seroprevalence of human herpesvirus 6 and 7 infections in the thai population. | seroprevalence of human herpesvirus 6 (hhv-6) and 7 (hhv-7) was estimated in the thai population using indirect immunofluorescence assay to determine serum antibodies to hhv-6 and hhv-7. a total of 333 serum samples obtained from umbilical cord blood and venous blood of healthy persons at siriraj hospital and krabi hospital during 1990-1993 were investigated. of 73 infants aged 0-1 month, 73% and 78% were found tob e positive for hhv-6 and hhv-7 antibodies, respectively. antibody to hhv-6 was de ... | 1995 | 8703244 |