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Human herpes virus type-6 is associated with central nervous system infections in children in Sudan
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- Abdelrahim, Nada A. (author)
- Department of Medical Microbiology, Faculty of Medical Laboratory Sciences, Nile University, Khartoum, Sudan
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- Mohamed, Nahla (author)
- Umeå universitet,Avdelningen för virologi
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- Evander, Magnus (author)
- Umeå universitet,Avdelningen för virologi
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- AOSIS, 2022
- 2022
- English.
- In: African Journal of Laboratory Medicine. - : AOSIS. - 2225-2002 .- 2225-2010. ; 11:1
- Journal article (peer-reviewed)
Abstract
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- Background: Human herpes virus type-6 (HHV-6) is increasingly recognised as a febrile agent in children. However, less is known in sub-Saharan African countries, including Sudan.Objective: We investigated the involvement of HHV-6 in paediatric central nervous system (CNS) infections in Khartoum, Sudan.Methods: Febrile patients aged up to 15 years with suspected CNS infections at Omdurman Hospital for Children from 01 December 2009 to 01 August 2010 were included. Viral DNA was extracted from leftover cerebrospinal fluid (CSF) specimens and quantitatively amplified by real-time polymerase chain reaction (PCR) at Umeå University in Sweden.Results: Of 503 CSF specimens, 13 (2.6%) were positive for HHV-6 (33.0% [13/40 of cases with proven infectious meningitis]). The median thermal cycle threshold for all HHV-6-positive specimens was 38 (range: 31.9-40.8). The median number of virus copies was 281.3/PCR run (1 × 105 copies/mL CSF; range: 30-44 × 103 copies/PCR run [12 × 103 - 18 × 106 copies/mL CSF]). All positive patients presented with fever and vomiting; 86.0% had seizures. The male-to-female ratio was 1:1; 50.0% were toddlers, 42.0% infants and 8.0% teenagers. Most (83.0%) were admitted in the dry season and 17.0% in the rainy season. Cerebrospinal fluid leukocytosis was seen in 33.0%, CSF glucose levels were normal in 86.0% and low in 14.0%, and CSF protein levels were low in 14.0% and high in 43.0%.Conclusion: Among children in Sudan with CNS infections, HHV-6 is common. Studies on the existence and spread of HHV-6 chromosomal integration in this population are needed.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Mikrobiologi inom det medicinska området (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Microbiology in the medical area (hsv//eng)
Keyword
- aseptic meningitis
- HHV-6
- real-time PCR
- viral meningitis
- viral neuroinfections
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- ref (subject category)
- art (subject category)
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