dc.creator | Monteserin, Johana | |
dc.creator | Pérez-Lago, Laura | |
dc.creator | Yokobori, Noemi | |
dc.creator | Paul, Roxana | |
dc.creator | Rodríguez Maus, Sandra | |
dc.creator | Simboli, Norberto | |
dc.creator | Eldholm, Vegard | |
dc.creator | López, Beatriz | |
dc.creator | Garcia de Viedma, Dario | |
dc.creator | Ritacco, Viviana | |
dc.date | 2021-01-20T13:27:52Z | |
dc.date | 2021-01-20T13:27:52Z | |
dc.date | 2019 | |
dc.date.accessioned | 2023-08-29T20:09:01Z | |
dc.date.available | 2023-08-29T20:09:01Z | |
dc.identifier | 0002-9637 | |
dc.identifier | http://sgc.anlis.gob.ar/handle/123456789/2197 | |
dc.identifier | 10.4269/ajtmh.19-0397 | |
dc.identifier.uri | https://repositorioslatinoamericanos.uchile.cl/handle/2250/8520467 | |
dc.description | Fil: Monteserin, Johana. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas; Argentina. | |
dc.description | Fil: Pérez-Lago, Laura. Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid; España. | |
dc.description | Fil: Yokobori, Noemí. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas; Argentina. | |
dc.description | Fil: Paul, Roxana. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas; Argentina. | |
dc.description | Fil: Rodríguez Maus, Sandra. Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid; España. | |
dc.description | Fil: Simboli, Norberto. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas; Argentina. | |
dc.description | Fil: Eldholm, Vegard. Norwegian Institute of Public Health, Oslo; Noruega. | |
dc.description | Fil: López, Beatriz. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas; Argentina. | |
dc.description | Fil: García de Viedma, Darío. Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid; España. | |
dc.description | Fil: Ritacco, Viviana. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas; Argentina. | |
dc.description | Two Mycobacterium tuberculosis strains-M (sublineage 4.1) and Ra (sublineage 4.3)-have long prevailed in Argentina among patients with multidrug-resistant tuberculosis (MDR-TB). Recently, budget constraints have hampered the surveillance of MDR-TB transmission. Based on whole-genome sequence analysis, we used M- and Ra-specific single nucleotide polymorphisms to tailor two multiplex allele-specific polymerase chain reactions (PCRs), which we applied to 252 stored isolates (95% of all newly diagnosed MDR-TB cases countrywide, 2015-2017). Compared with the latest data available (2007-2009), the M strain has receded (80/324 to 20/252, P < 0.0001), particularly among cross-border migrants (12/58 to 0/53, P = 0.0003) and HIV-infected people (30/97 to 7/74, P = 0.0007), but it still accounts for 4/12 new cases of extensively drug-resistant TB. Differently, the Ra strain remained stable in frequency (39/324 to 33/252) and contributed marginally to the extensive drug-resistance load (1/12). Our novel strategy disclosed recent trends of the two major MDR-TB strains, providing meaningful data to allocate control interventions more efficiently. | |
dc.format | pdf | |
dc.language | en | |
dc.publisher | American Society of Tropical Medicine and Hygiene | |
dc.relation | The American journal of tropical medicine and hygiene | |
dc.rights | open | |
dc.source | The American Journal of Tropical Medicine and Hygiene 2019; 101(6):1308-1311. | |
dc.subject | Mycobacterium tuberculosis | |
dc.subject | Argentina | |
dc.title | Trends of Two Epidemic Multidrug-Resistant Strains of Mycobacterium tuberculosis in Argentina Disclosed by Tailored Molecular Strategy | |
dc.type | Artículo | |