S. TantivanichS. VanadurongwanS. TharavanijMahidol University2018-10-122018-10-121981-12-01Southeast Asian Journal of Tropical Medicine and Public Health. Vol.12, No.4 (1981), 533-535003836192-s2.0-0019724149https://repository.li.mahidol.ac.th/handle/123456789/30182Fifty-two paired sera and 40 single sera and swabs from the aphthous like ulcers of the tongue, gum, and buccal mucosa were collected from patients at a private clinic and from workers of a canned fish packaging company in an attempt to isolate herpes simplex virus. Sixty-eight percent had positive HVH isolation with high ELISA antibody titers. Among 52 paired sera from patients, 68.4% had recurrent infections and 31.6% had primary infection.Mahidol UniversityMedicineArticleSCOPUS