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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
Trends in the prevalence and distribution of HTLV-1 and HTLV-2 infections in Spain
Virology Journal, Volume 9, No. 1, Article 7, Year 2012
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Description
Background: Although most HTLV infections in Spain have been found in native intravenous drug users carrying HTLV-2, the large immigration flows from Latin America and Sub-Saharan Africa in recent years may have changed the prevalence and distribution of HTLV-1 and HTLV-2 infections, and hypothetically open the opportunity for introducing HTLV-3 or HTLV-4 in Spain. To assess the current seroprevalence of HTLV infection in Spain a national multicenter, cross-sectional, study was conducted in June 2009. Results: A total of 6, 460 consecutive outpatients attending 16 hospitals were examined. Overall, 12% were immigrants, and their main origin was Latin America (4.9%), Africa (3.6%) and other European countries (2.8%). Nine individuals were seroreactive for HTLV antibodies (overall prevalence, 0.14%). Evidence of HTLV-1 infection was confirmed by Western blot in 4 subjects (prevalence 0.06%) while HTLV-2 infection was found in 5 (prevalence 0.08%). Infection with HTLV types 1, 2, 3 and 4 was discarded by Western blot and specific PCR assays in another two specimens initially reactive in the enzyme immunoassay. All but one HTLV-1 cases were Latin-Americans while all persons with HTLV-2 infection were native Spaniards. Conclusions: The overall prevalence of HTLV infections in Spain remains low, with no evidence of HTLV-3 or HTLV-4 infections so far. © 2012 Treviño et al; licensee BioMed Central Ltd.
Authors & Co-Authors
Aguilera, Antonio
Unknown Affiliation
Benito, R.
Spain, Zaragoza
Hospital Clinico Universitario Lozano Blesa
Eiros-Bouza, José María
Spain, Valladolid
Hospital Clínico Universitario de Valladolid
Calderón, Enrique J.
Spain, Madrid
Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública
Torres, Álvaro
Spain, Santa Cruz de Tenerife
Hospital Universitario de Canarias
García, Juan González
Unknown Affiliation
Ramos-Rincón, José Manuel
Spain, Elche
Hospital General Universitario de Elche
Rodríguez, Carmen
Unknown Affiliation
de Lejarazu, Raúl Ortíz
Spain, Valladolid
Hospital Clínico Universitario de Valladolid
de-Mendoza, Carmen
Spain, Madrid
Hospital Universitario la Paz
Soriano, Vicente Vicente
Spain, Madrid
Hospital Universitario la Paz
Statistics
Citations: 43
Authors: 11
Affiliations: 12
Identifiers
Doi:
10.1186/1743-422X-9-7
ISSN:
1743422X
Study Design
Cross Sectional Study