HTLV infection in persons with sexually transmitted diseases in Spain
Resumen: Background: HTLV-1 infection is a neglected disease, despite estimates of 10 million people infected worldwide and producing life-threatening illnesses in 10% of carriers. Sexual transmission is the main route of contagion. However, HTLV-1 is not listed among sexually transmitted infections (STIs).

Methods: Serum from all consecutive individuals who had attended six STI clinics across Spain during the last 12 months were tested for HTLV antibodies using a commercial enzyme immunoassay (EIA). Reactive samples were confirmed by immunoblot.

Results: A total of 2,524 samples were examined. The majority (1,936; 76.7%) belonged to men, of whom 676 (34.9%) were men who have sex with men (MSM) receiving HIV pre-exposure prophylaxis. Although native Spaniards predominated (1,470; 58.2%), up to 593 (23.5%) came from Latin America and 139 (5.5%) were African. A total of 26 individuals were initially EIA reactive and immunoblot confirmed 5 as HTLV-1 and 7 as HTLV-2. All but one HTLV-1+ case came from Latin America. Three were men and two were women. Among Latin Americans, the HTLV-1 seroprevalence was 0.67%. In contrast, all seven HTLV-2+ were native Spaniards and former injection drug users, and all but one were HIV+.

Conclusion: The rate of HTLV infection among individuals with STIs in Spain is 0.5%, which is greater than in the general population. These results support the introduction of universal HTLV screening in persons who attend clinics for STIs.

Idioma: Alemán
DOI: 10.3389/fimmu.2023.1277793
Año: 2023
Publicado en: Frontiers in Immunology 14 (2023), 1277793 [6 pp.]
ISSN: 1664-3224

Factor impacto JCR: 5.7 (2023)
Categ. JCR: IMMUNOLOGY rank: 37 / 181 = 0.204 (2023) - Q1 - T1
Factor impacto CITESCORE: 9.8 - Immunology (Q1) - Immunology and Allergy (Q1)

Factor impacto SCIMAGO: 1.868 - Immunology and Allergy (Q1) - Immunology (Q1)

Financiación: info:eu-repo/grantAgreement/ES/ISCIII/FIS/PI21-1717
Tipo y forma: Article (Published version)
Área (Departamento): Área Microbiología (Dpto. Microb.Ped.Radio.Sal.Pú.)

Creative Commons You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.


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