Human herpesvirus 6 (HHV-6) infection and exanthem subitum in Thailand. 1991

K Balachandra, and P Bowonkiratikachorn, and B Poovijit, and A Thattiyaphong, and C Jayavasu, and C Wasi, and M Takahashi, and K Yamanishi
Virus Research Institute, Jareonkrungpracharuk Hospital, Thailand.

Of 50 patients in Thailand suspected clinically of having exanthem, subitum, 31 (62%) were serodiagnosed as HHV-6 infection. Sixteen strains of HHV-6 from 31 patients (52%) whose antibody titers had converted during convalescence were isolated during the acute phase. The disease occurred in infants from 3 months to 1 year of age and most frequently at age 4-6 months. Antibody only to HHV-6 converted in 23 of 50 patients (46%), and seroconversion to HHV-6 and dengue virus was observed in 7 patients (14%), and to HHV-6 and Coxsackie B virus in 1 case (2%). In the 23 patients in whom seroconversion only to HHV-6 was observed, all had fever and rash which appeared after subsidence of the fever. Lymphadenopathy and relative lymphocytosis were recognized, associated with diarrhea, vomiting, running nose, cough and hepatomegaly. Febrile convulsions were seen in some cases. All patients recovered completely within a week.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D005077 Exanthema Subitum An acute, short-lived, viral disease of infants and young children characterized by a high fever at onset that drops to normal after 3-4 days and the concomitant appearance of a macular or maculopapular rash that appears first on the trunk and then spreads to other areas. It is the sixth of the classical exanthematous diseases and is caused by HHV-6; (HERPESVIRUS 6, HUMAN). (From Dorland, 27th ed) Roseola Infantum,Sixth Disease,Disease, Sixth
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000914 Antibodies, Viral Immunoglobulins produced in response to VIRAL ANTIGENS. Viral Antibodies
D013785 Thailand Formerly known as Siam, this is a Southeast Asian nation at the center of the Indochina peninsula. Bangkok is the capital city. Kingdom of Thailand,Siam
D015654 Herpesvirus 6, Human Members of the ROSEOLOVIRUS genus of the Betaherpesvirales subfamily isolated from patients with AIDS and other LYMPHOPROLIFERATIVE DISORDERS. It infects and replicates in fresh and established lines of hematopoietic cells and cells of neural origin. It also appears to alter the activity of NK CELLS. HHV-6; (HBLV) antibodies are elevated in patients with AIDS; SJOGREN'S SYNDROME; SARCOIDOSIS; CHRONIC FATIGUE SYNDROME, and certain malignancies. HHV-6A is the most common cause of EXANTHEMA SUBITUM and has been implicated in encephalitis. When HHV-6 integrates into the host genome it is referred to as ciHVH-6. When such VIRUS INTEGRATION occurs into the germline it is referred to as iciHHV-6. HBLV,Herpesvirus 6A, Human,Herpesvirus 6B, Human,Human B-Lymphotropic Virus,Chromosomally Integrated Human Herpesvirus 6,Chromosomally Integrated Human Herpesvirus 6A,Chromosomally Integrated Human Herpesvirus 6B,HHV-6,HHV-6A,HHV-6B,HHV6,HHV6A,HHV6B,Human Herpesvirus 6,Human betaherpesvirus 6,Human betaherpesvirus 6A,Human betaherpesvirus 6B,Inherited Chromosomally Integrated Human Herpesvirus 6,Inherited Chromosomally Integrated Human Herpesvirus 6A,Inherited Chromosomally Integrated Human Herpesvirus 6B,ciHHV-6,ciHHV-6A,ciHHV-6B,ciHHV6,ciHHV6A,ciHHV6B,iciHHV-6,iciHHV-6A,iciHHV-6B,iciHHV6,iciHHV6A,iciHHV6B,B-Lymphotropic Virus, Human,B-Lymphotropic Viruses, Human,Human B Lymphotropic Virus,Human B-Lymphotropic Viruses,Human Herpesvirus 6A,Human Herpesvirus 6B,Human betaherpesvirus 6s

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