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Year : 2020  |  Volume : 4  |  Issue : 2  |  Page : 73-78

Human T lymphotropic virus antibodies seroprevalence among healthy blood donors and high risk groups at Riyadh regional laboratory in Riyadh, Saudi Arabia

1 Department of Microbiology and Virology, Riyadh Regional Laboratory, Riyadh, KSA
2 Department of Microbiology and Virology, Riyadh Regional Blood Bank, Riyadh Regional Laboratory, Riyadh, KSA

Correspondence Address:
Fadel Hassan Al-Hababi
Department of Microbiology and Virology, Riyadh Regional Laboratory, King Saud Medical Complex, P.O. Box 61734, Riyadh 11757
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/sccj.sccj_13_20

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Aims: Transmission of human T lymphotropic viruses (HTLV) testing performed as routine pretransfusion screening. In Riyadh city the prevalence of HTLV1/2 among healthy volunteers in Riyadh city more than two decades. In addition, no information available related to the HTLV1/2 infections in HIV/AIDS patients. This study first aims to determine the prevalence of HTLV1/2 infections among healthy volunteers in Riyadh city. Second, as HTLV1/2 transmission similar as HIV routes, we assess rates of HTLV1/2 coinfection among patients infected with HIV. Materials and Methods: A retrospective study depends on the data obtained from Riyadh Regional Laboratory (RRL) for 3 years, 2017–2019. The samples enrolled in study consist of 114638 healthy blood donors and 243 patient samples referred to RRL virology samples. In addition, 474 HIV-infected patients were included. All serum samples tested to detect infection with HTLV1/2 by commercial CMIA or enzyme-linked immunosorbent assay kits and any positive results confirmed and differentiated by western blot. Results: Among of 114638 blood donations were tested, only two confirmed HTLV1 positive found from two (0.002%) donors, one of them is Saudi female and the second donor was expatriates. None was positive for anti-HTLV2. The overall HTLV1 prevalence was 1.7/100,000 donations during the 3 years tested. In addition, none of the referred sample was positive for anti-HTLV1/2. In addition, a large number of HIV-positive individual population enrolled none tested positive for HTLV1/2. Conclusions: HTLV seroprevalence is very low among healthy blood donors population in Riyadh city, which reflects the situation in the general population. However, screening for HTLV1/2 blood donors for the first donation from endemic countries donors would keep safe blood donation in Saudi Arabia.

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