Instituto de Salud Pública de Chile

Rapid spread of Clostridium difficile NAP1/027/ST1 in Chile confirms the emergence of the epidemic strain in Latin America. Aguayo C, Flores R, Lévesque S, Ayara P, Ulloa S, Lagos J, Hormazábal JC, Tognarelli J, Ibáñez D, Pidal P, Duery O, Olivares B, Fernández J.

Epidemiol Infect. 2015 feb 17:1-5

Neisseria meningitidis ST-11 clonal complex, Chile 2012. Araya P, Fernández J, Del Canto F, Seoane M, Ibarz-Pavón AB, Barra G, Pidal P, Díaz J, Hormazábal JC, Valenzuela MT.

Emerg Infect Dis. 2015 Feb;21(2):339-41. doi: 10.3201/eid2102.140746.

Laboratory surveillance for invasive meningococcal disease in Chile, 2006-2012. Araya P, Díaz J, Seoane M, Fernández J, Terrazas S, Canals A, Vaquero A, Barra G, Hormazábal JC, Pidal P, Valenzuela MT, Rev Chilena Infectol. 2014 Aug;31(4):377-84. doi: 10.4067/SO716-10182014000400001.

Comparative polyphasic characterization of Streptococcus phocae strains with different host origin and description of the subspecies Streptococcus phocae subsp. salmonis subsp. nov. Avendaño-Herrera R, Balboa S, Castro N, González-Contreras A, Magariños B, Fernández J, Toranzo AE, Romalde JL. Int J Syst Evol Microbiol. 2014 May;64(Pt5):1775-81. doi:10.1099/ijs.0.056978-0. Epub 2014 Feb 26. 

Laboratory confirmation of Streptococcus suis in Chile. Alarcón L P, Araya R P, Aguayo C, Férnández J, Illesca V, Zaror A, Vaquero A. Rev. Chilena Infectol. 2013 Oct;30(5):539-40. doi:10.4067/SO716-10182013000500011.  

Molecular characterization of invasive Neisseria meningitidis strains isolated in Chile during 2010-2011. Barra GN, Araya PA, Fernández JO, Gabastou JM, Hormazábal JC, Seoane M, Pidal PC, Valenzuela MT, Ibarz-Pavón AB.PLoS One. 2013 Jun 11;8(6):e66006. doi: 10.1371/journal.pone.0066006.

Typing of the rabies virus in Chile, 2002-2008. Yung V, Favi M, Fernández J. Epidemiol Infect. 2012 Dec;140(12):2157-62. doi: 10.1017/SO950268812000520. ePUB 2012 Mar 30. 

Standardization and international multicenter validation of a PulseNet pulsed-field gel electrophoresis protocol for subtyping Shigella flexneri isolates. Pichel M, Brengi SP, Cooper KL, Ribot EM, Al-Busaidy S, Araya P, Fernández J, Vaz TI, Kam KM, Morcos M, Nielsen EM, Nadon C, Pimentel G, Pérez-Gutiérrez E, Garner-Smidt P, Binsztein N; Shigella flexneri PulseNet PFGE Protocol Working Group. Foodborne Pathog Dis. 2012 May;9(5):418-24. doi: 10.1089/fpd.2011.1067. Epub 2012 Apr 16. 

Isolation of a novel Aggregatibacter actinomycetemcomitans serotype b bacteriophage capable of lysing bacteria within a biofilm. Castillo-Ruiz M, Vinés ED, Montt C, Fernández J, Delgado JM, Hormazábal JC, Bittner M,Appl Environ Microbiol. 2011 May;77(9):3157-9. Epub 2011 Mar 4.  

Rubella outbreaks following virus importations: the experience of Chile. Gallegos D, Olea A, Sotomayor V, González C, Muñoz JC, Ramos M, Espinoza MC, Mendoza G, Torres G, Espiñeira E, Andrade W, Fernández J, Fasce R. J Infect Dis. 2011 Sep 1;204 Suppl 2:S669-74. doi: 10.1093/infdis/jir479. 

Detection of genes associated with drug resistance in Mycobacterium tuberculosis strains isolated in Chile. Araya P, Velasco M, Tognarelli J, Arias F, Leiva T, Sccapatticio A, Alviz P, Fernández J. Rev Med Chil. 2011 Apr;139(4):467-73. doi: /S0034-98872011000400008. Epub 2011 Aug 25. 

Genetic characterization of the virus causing H1N1 influenza pandemic in Chile: analysis of the first detected cases. Fasce RA, Tognarelli J, Mora J, Torres G, Andrade W, Bustos P, Araya P, Balanda M, Aguayo C, Sein J, Ramírez E, Fernández J. Rev Med Chil. 2011 Jul;139(7):833-40. doi: /S0034-98872011000700002. Epub 2011 Sep 16. 

First description of atypical furunculosis in freshwather farmed Atlantic salmon, in Chile. Godoy M, Gherardelli V, Heisinger A, Fernández J, Olmos P, Ovalle L, Ilardi P, Avendaño-Herrera R. J Fish Dis. 2010 May;33(5):441-9. Epub 2010 Mar 8.

Pandemic (H1N1) 2009 in breeding turkeys, Valparaiso, Chile. Mathieu C, Moreno V, Retamal P, González A, Rivera A, Fuller J, Jara C, Lecocq C, Rojas M, Garcia A, Vasquez M, Agredo M, Gutiérrez C, Escobar H, Fasce R, Mora J, Garcia J, Fernández J, Ternicier C, Avalos P. Emerg Infect Dis. 2010 Apr;16(4):709-11.

Identification of a new HIV type 1 BF intersubtype circulating recombinant from (CRF44_BF) in Chile. Delgado E, Ríos M, Fernández J, Pérez-Alvarez L, Nájera R, Thomson MM.AIDS Res Hum Retroviruses. 2010 Jul;26(7):821-6. 

Association between genotype screening results obtained by PFGE and PCR for hypervariable regions of the mecA gene in methicillin-resistant Staphylococcus aureus. Medina G, Otth C, Araya P, Carlos Hormazábal J, Fernández J, Maldonado A, Fernández H, Otth L, Wilson M. Enferm Infecc Microbiol Clin. 2009 Apr;27(4):213-8. Epub 2009 Apr 9.

Molecular subtyping of Salmonella enterica serotype Enteritidis in a post epidemic period. Ríos R M, Araya R P, Fernández R A, Tognarelli J, Hormazábal JC, Fernández O J. Rev Med Chil. 2009 Jan;137(1):71-5. Epub 2009 Apr 23. 

Chryseobacterium piscicola sp. nov isolated from diseased salmonid fish. Illardi P, Fernández J, Avendaño-Herrera R. Inte J Syst Evol Microbiol. 2009 Dec;59(Pt12):3001-5. Epub 2009 Jul 30.  

Analysis of 16S-23S rRNA gene internal transcribed of Vibrio anguillarum and Vibrio ordalii strains isolated from fish. Fernández J, Avendaño-Herrera R. FEMS Microbiol Lett. 2009 Oct;299(2):184-92. Epub 2009 Aug.

Association between genotype screening results obtained by PFGE and PCR for hypervariable regions of the mecA gene in methicillin-resistant Staphylococcus aureus. Medina G, Otth C, Araya P, Hormazábal JC, Fernández J, Maldonado A, Fernández H, Otth L, Wilson M. Enferm Infecc Microbiol Clin. 2009 Apr;27(4):213-8. 

Molecular characterization of Chilean isolates of Streptococcus agalactiae. Rojo P, Araya P, Martínez T MA, Hormazábal JC, Maldonado A, Fernández J. Rev Med Chil. 2008 May;136(5):606-12. Epub 2008 Jul 30.

Mycobacterium tuberculosis strains of the Beijing genotype are rarely observed in tuberculosis patients in South America. Ritacco V. López B, Cafrune PI, Ferrazoli L, Suffys PN, Candia N, Vásquez L, Realpe T, Fernández J, Lima KV, Zurita J, Robledo J, Rossetti ML, Kritski AL, Telles MA, Palomino JC, Heersma H, van Soolingen D, Kremer K, Barrera L. Mem Inst Oswaldo Cruz. 2008 Aug;103(5):489-92.  

Identificación de Hantavirus Andes en Rattus norvegicus. J Fernández, E Villagra, V Yung, J Tognarelli, P Araya, J Mora, PE Cattan, E Ramírez. Arch Med Vet 40, 295-298 (2008)

Complete nucleotide sequence analysis of a Dengue-1 virus isolated on Easter Island, Chile. Cáceres C, Yung V, Araya P, Tognarelli J, Villagra E, Vera L, Fernández J. Arch Virol. 2008;153(10):1967-70. Epub 2008 Sep 25.

Antiretroviral drug resistance and phylogenetic diversity of HIV-1 in Chile. Rios M, Delgado E, Perez-Alvarez L, Fernández J, Galvez P, de Parga EV, Yung V, Thomson MM, Najera R. J Med Virol. 2007 Jun;79(6):647-56.

Identificación rápida de micobacterias no tuberculosas mediante análisis de patrones de restricción. Pamela Araya R, Maritza Velasco R, Jorge Fernández O. Revista Médica de Chile. 2006; 134:868-873. 

Multicenter evaluation of mycobacteria identification by PCR restriction enzyme analysis in laboratories from Latin America and the Caribbean. Leao SC, Bernardelli A, Cataldi A, Zumarraga M, Robledo J, Realpe T, Mejia GI, da Silva Telles MA, Chimara E, Velazco M, Fernández J, Rodrigues PA, Guerrero MI, Leon CI, Porras TB, Rastogi N, Goh KS, Suffys P, da Silva Rocha A, dos Santos Netto D, Ritacco V, Lopez B, Barrera L, Palomino JC, Martin A, Portaels F. J Microbiol Methods. 2005 May;61(2):193-9. Epub 2004 Dec 25. 

Defective human T-cell lymphotropic virus type I (HTLV-I) provirus in seronegative tropical spastic paraparesis/HTLV-I-associatedmyelopathy (TSP/HAM) patients. Ramírez E, Fernández J, Cartier L, Villota C, Rios M. VirusRes.2003 Feb;91(2):231-9. 

Analysis of Molecular Epidemiology of Chilean Salmonella enterica sertype Enteritidis Isolates by Pulsed-Field Gel Electrophoresis and Bacteriophage Typing. Fernández J, Fica A, Ebensperger G, Calfullan H, Prat S, Fernández A, Alexander M, Heitmann I, Journal Clinical microbilogical 2003 Apr;41(4):1617-22.

Clinical study of measure of parasitemia in patients infected with Trypanosoma cruzi in Atacama, Chile. Carrasco M, Andrade W, Jercic MI, Fernández J, Miranda C, Rivera J, González J, González L, Ramírez E, Rev Med Chil.2003 Aug;131(8):881-6.Spanish.

Molecular epidemiology of a Streptococcus pyogenes related nosocomial outbreak in a burn unit. Fica A, Fernández J, Ebensperger G, Cona E, Galanti A, Alonso C, Ulloa MT, Frola AM, Prat S. Rev Med Chil. 2003 Feb;131(2):145-54. 

Complete sequence of the genome of the human isolate of Andes virus CHI-7913: comparative sequence and protein structure analysis. Tischler ND, Fernández J, Muller I, Martínez R, Galeno H, Villagra E, Mora J, Ramírez E, Rosemblatt M, Valenzuela PD. Biol. Res. 2003;36(2):201-10. 

Genetic and antigenic typing of rabies virus in Chile. Brief report. Yung V, Favi M, Fernández J. ArchVirol.2002.Nov;147(11):2197-205.

First human isolate of Hantavirus (Andes virus) in the Americas. Galeno H, Mora J, Villagra E, Fernández J, Hernández J, Mertz GJ, Ramírez E. Emerg Infect Dis. 2002 Jul;8(7):657-61. 

Genetic characterization and phylogeny of human T-cell lymphotropic virus type I from Chile. Ramirez E, Cartier L, Villota C, Fernández J. VirusRes.2002Mar20;84(1-2):135-49.

Tipificación fágica de aislados de Salmonella enteritidis de muestras clínicas, alimentarias y avícolas en Chile Prat S, Fernández A, Fica A, Fernández J, Alexandre M, Heitmann I. Revista Panamericana de Salud Pública-Pan American Journal of Public Health 2001; 9:7-12 Proyecto Fondecyt 1980912.

Cambios epidemiológicos en Salmonelosis desde fiebre tifoidea a Salmonella Enteritidis Fica A, Alexandre M, Prat S, Fernández A, Fernándes J, Heitmann I. Rev. Chil. Infect. 2001; vol 18 n°2. Proyecto Fondecyt 1980912. 

Phylogenetic relationship between Chilean and Japanese HTLV-I strains. Ramirez E, Cartier L, Villota C, Fernández J, Okhura S and Yamashita M. AIDS Research and Human Retroviruses 17 (S1):P-Add-17, 2001.

Detección de Salmonella Enteritidis en muestras de productos avícolas de consumo humano en la Región Metropolitana. Alexandre M, Pozo C, Gonzalez V, Martinez MC, Prat S, Fernández A, Fica A, Fernández J, Heitmann I. Rev. Méd. Chile, 2000; 128:1075-1083. Proyecto Fondecyt 1980912. 

Técnicas diagnósticas de infección humana por hantavirus. Galeno H, Villagra E, Fernández J, Ramirez E, Mora J. Rev. Chil. infectol., 2000, vol. 17 no.3.pag 

Infección por hantavirus en humanos: Experiencia del Laboratorio de Referencia para Enfermedades Infecciosas Emergentes Galeno H, Villagra E, Fernández J, Ramirez E, Mora J. Rev. chil. infectol., 2000, vol.17 no.3. pag

Evaluation of the polymerase chain reaction for the detection of Mycobacterium tuberculosis. Philip Suffys, Juan Carlos Palomino, Sylvia Cardoso Leâo, Clara Espitia, Angel Cataldi, Maritza Velasco, Jorge Fernández O, Jaime Robledo, María isabel Romero, *Int J. Tuberc lung Dis. 2000 Feb 4(2)179-83. 

Detective HTLV-I provirus. Galeno H, Cartier L, Fernández J, Villota C y Ramirez E. J AIDS Hum Retrovirology 20: A35, 1999. Fondecyt 1981132. 

Toxic shock syndrome. Clonal relatedness among Group A Streptococcus isolates from a case and its contacts. Fernández J, Fica A, Coarsi B, Contreras J, Luppi M and Heitmann I. Rev. Méd. Chile 1998; 126:972-977. 

Defective Human T-cell Lymphotropic Virus Type Y (HTLV-I Provirus in 10 chilean seronegative Patients with Tropical Spastic Paraparesis or HTLV-I-Associated Myelopathy.Ramírez E, Cartier L, Ríos M y Fernández J. J. Clin. Microbiol. 1998; 36:1811-1813.