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Legionella

Líneas de investigación

Content with Investigacion Infecciones Bacterianas Transmitidas por Agua y Alimentos .

Legionella

Desde su creación hasta la actualidad, La Unidad de Legionella tiene como principal función dar apoyo científico-técnico a la Administración General del Estado, a las Comunidades Autónomas y al Sistema Nacional de Salud en el campo de la prevención y control de la legionelosis, así como llevar a cabo investigaciones científicas en el contexto de la legionelosis. Además, la Unidad de Legionella también actúa como Laboratorio de Referencia de España frente al European Centre for Disease Prevention and Control (ECDC), siendo miembro de la red europea de vigilancia de la legionelosis, “European Legionnaires’ Disease Surveillance Network (ELDSNet). Finalmente, la unidad también realiza una actividad docente, participando en cursos de formación especializada, así como en Máster Universitarios.

 

Principales líneas de investigación

Vigilancia microbiológica

Búsqueda de marcadores moleculares con capacidad de predecir el riesgo de una instalación de provocar legionelosis. Factores de virulencia de Legionella spp.

Estudio de la capacidad formadora de biofilms de Legionella spp. Colonización y dispersión.

Búsqueda de marcadores fenotípicos capaces de discriminar especies del Género Legionella; grupos y subgrupos de Legionella pneumophila.

Diferentes estructuras de biofilms en función de la cepa formadora de Legionella pneumophila. En verde la biomasa bacteriana, en rojo el exopolisacárido de la matriz extracelular.

Apoyo al Sistema Nacional de Salud de la Unidad de Legionella

 

La Unidad de Legionella tambien desarrolla actividades con el fin de proporcionar asistencia al sistema nacional de salud a traves de la oferta disponible en la cartera de servicios del CNM, así como a través de programas de vigilancia microbiológica.

Proyectos de investigación

Content with Investigacion Infecciones Bacterianas Transmitidas por Agua y Alimentos .

1: Título del proyecto: Búsqueda de biomarcadores de patogenicidad en Legionella spp con interés predictivo de riesgo de infección.
Investigador principal: Fernando González Camacho
Entidad financiadora: ISCIII (AESI). Referencia:  MPY 341/22
Periodo: 01/01/2023 - 31/12/2025

Publicaciones destacadas

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HIV screening and retention in care in people who use drugs in Madrid, Spain: a prospective study

Ryan P, Valencia J, Cuevas G; Troya J; Torres-Macho J; Muñoz-Gómez MJ, Muñoz-Rivas N, Canorea I, Vázquez-Morón S (‡), Resino S (‡ *). HIV screening and retention in care in people who use drugs in Madrid, Spain: A prospective study. Infect Dis Poverty. 2021; 10(1): 111. (A; FI= 10.49; D1, Tropical Medicine; JCR 2021). PMID: 34412695. DOI: 10.1186/s40249-021-00894-5.

PUBMED

Obesity-related SNPs and weight gain following first-line antiretroviral therapy.

Berenguer J (*), Jarrín I, Bellón JM, Díez C, Jiménez-Sousa MA, Roca C, González-García J, Dalmau D, Olalla J, Herrero C, Villarroya F, Domingo P, Resino S. Obesity-related SNPs and weight gain following first-line antiretroviral therapy. Clin Inf Dis. 2023; In press. (A; FI= 20.99; D1, Infectious Diseases; JCR 2021).

PUBMED DOI

Mild profile improvement of immune biomarkers in HIV/HCV-coinfected patients who removed hepatitis C after HCV treatment: a prospective study.

García-Broncano P, Medrano LM, Berenguer J, Brochado O, González-García J, Jiménez-Sousa MA, Quereda C, Sanz J, Téllez MJ, Díaz L, Jiménez JL, Muñoz-Fernández MA, Resino S (*). Mild profile improvement of immune biomarkers in HIV/HCV-coinfected patients who removed hepatitis C after HCV treatment: a prospective study. J Infect 2020; 80(1):99-110. (A; FI= 6.07; Q1, Infectious Diseases; JCR 2020). PMID: 31585189. DOI: 10.1016/j.jinf.2019.09.020.

PUBMED

Evaluation of the possible influence of trailing and paradoxical effects on the clinical outcome of patients with candidemia

Rueda C, Puig-Asensio M, Guinea J, Almirante B, Cuenca-Estrella M, Zaragoza O; CANDIPOP Project from GEIH-GEMICOMED (SEIMC) and REIPI. Evaluation of the possible influence of trailing and paradoxical effects on the clinical outcome of patients with candidemia. Clin Microbiol Infect. 2017 Jan;23(1):49.e1-49.e8.

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Identification of Off-Patent Drugs That Show Synergism with Amphotericin B or That Present Antifungal Action against Cryptococcus neoformans and Candida spp

Rossi SA, de Oliveira HC, Agreda-Mellon D, Lucio J, Mendes-Giannini MJS, García-Cambero JP, Zaragoza O. Identification of Off-Patent Drugs That Show Synergism with Amphotericin B or That Present Antifungal Action against Cryptococcus neoformans and Candida spp. Antimicrob Agents Chemother. 2020 Mar 24;64(4):e01921-19. PMCID: PMC7179310.

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Paradoxical Growth of Candida albicans in the Presence of Caspofungin Is Associated with Multiple Cell Wall Rearrangements and Decreased Virulence

Rueda C, Cuenca-Estrella M, Zaragoza O. Paradoxical growth of Candida albicans in the presence of caspofungin is associated with multiple cell wall rearrangements and decreased virulence. Antimicrob Agents Chemother. 2014;58(2):1071-83. PMCID: PMC3910852.

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HCV cure with direct-acting antivirals improves liver and immunological markers in HIV/HCV-coinfected patients.

Brochado-Kith O, Martínez I, Berenguer J, González-García J, Salgüero S, Sepúlveda-Crespo D, Díez C, Hontañón V, Ibañez-Samaniego L, Pérez-Latorre L, Fernández-Rodríguez A (‡), Jiménez-Sousa MA (‡), Resino S (‡ *). HCV cure with direct-acting antivirals improves liver and immunological markers in HIV/HCV-coinfected patients. Front immunol. 2021; 12:723196. (A; FI= 8.79; Q1, Immunology; JCR 2021). PMID: 34497613. DOI: 10.3389/fimmu.2021.723196.

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Cryptococcus neoformans induces antimicrobial responses and behaves as a facultative intracellular pathogen in the non mammalian model Galleria mellonella

Trevijano-Contador N, Herrero-Fernández I, García-Barbazán I, Scorzoni L, Rueda C, Rossi SA, García-Rodas R, Zaragoza O. Cryptococcus neoformans induces antimicrobial responses and behaves as a facultative intracellular pathogen in the non mammalian model Galleria mellonella. Virulence. 2015;6(1):66-74. PMCID: PMC4603429.

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The formation of titan cells in Cryptococcus neoformans depends on the mouse strain and correlates with induction of Th2-type responses

García-Barbazán I, Trevijano-Contador N, Rueda C, de Andrés B, Pérez-Tavárez R, Herrero-Fernández I, Gaspar ML, Zaragoza O. The formation of titan cells in Cryptococcus neoformans depends on the mouse strain and correlates with induction of Th2-type responses. Cell Microbiol. 2016 Jan;18(1):111-24.

PUBMED DOI

Frequency of hepatitis B virus 'a' determinant variant in unselected Spanish chronic carriers.

• Avellón A, Echevarria JM. Frequency of hepatitis B virus 'a' determinant variant in unselected Spanish chronic carriers. J Med Virol. 2006 Jan;78(1):24-36.

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Prevalence and undiagnosed fraction of hepatitis C infection in 2018 in Spain: results from a national population-based survey.

• Estirado Gómez A, Justo-Gil S, Limia A, Avellón A, Arce-Arnáez A, González-Rubio R, Diaz A, Del Amo J; Prevalence and undiagnosed fraction of hepatitis C infection in 2018 in Spain: results from a national population-based survey. Sci Rep. 2018 Jan 30;8(1):1858.

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Comparative Analysis of Aspergillus fumigatus Strains: The Reference Genome as a Matter of Concern.

Buitrago MJ, Martín-Gómez T. Timely Diagnosis of Histoplasmosis in Non-endemic Countries: A Laboratory Challenge. Front Microbiol. 2020 Mar 24; 11:467. doi: 10.3389/fmicb.2020.00467. eCollection 2020. PMID: 32269555.

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Identification of Novel Short C-Terminal Transcripts of Human SERPINA1 Gene.

Matamala N, Aggarwal N, Iadarola P, Fumagalli M, Gomez-Mariano G, Lara B, Martinez MT, Cuesta I, Stolk J, Janciauskiene S, Martinez-Delgado B. Identification of Novel Short C-Terminal Transcripts of Human SERPINA1 Gene. PLoS One. 2017 Jan 20;12(1):e0170533.

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Sequence Analysis of In Vivo-Expressed HIV-1 Spliced RNAs Reveals the Usage of New and Unusual Splice Sites by Viruses of Different Subtypes.

Vega Y, Delgado E, de la Barrera J, Carrera C, Zaballos Á, Cuesta I, Mariño A, Ocampo A, Miralles C, Pérez-Castro S, Álvarez H, López-Miragaya I, García-Bodas E, Díez-Fuertes F, Thomson MM. Sequence Analysis of In Vivo-Expressed HIV-1 Spliced RNAs Reveals the Usage of New and Unusual Splice Sites by Viruses of Different Subtypes. PLoS One. 2016 Jun 29;11(6):e0158525.

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Y155H amino acid substitution in influenza A(H1N1)pdm09 viruses does not confer a phenotype of reduced susceptibility to neuraminidase inhibitors

Perez-Sautu U, Pozo F, Cuesta I, Monzon S, Calderon A, Gonzalez M, Molinero M, Lopez-Miragaya I, Rey S, Cañizares A, Rodriguez G, Gonzalez-Velasco C, Lackenby A, Casas I. Y155H amino acid substitution in influenza A(H1N1)pdm09 viruses does not confer a phenotype of reduced susceptibility to neuraminidase inhibitors. Euro Surveill. 2014 Jul 10;19(27):14-20.

PUBMED DOI

Comparison of two highly discriminatory typing methods to analyze Aspergillus fumigatus azole resistance

Garcia-Rubio R, Escribano P, Gomez A, Guinea J, and Mellado E. Comparison of two highly discriminatory typing methods to analyze Aspergillus fumigatus azole resistance. Frontiers in Microbiology 2018. Jul 20;9:1626.

PUBMED DOI

Evaluation of the possible influence of trailing and paradoxical effects on the clinical outcome of patients with candidemia.

Rueda C, Puig-Asensio M, Guinea J, Almirante B, Cuenca-Estrella M, Zaragoza O. Evaluation of the possible influence of trailing and paradoxical effects on the clinical outcome of patients with candidemia. CANDIPOP Project from GEIH-GEMICOMED (SEIMC) and REIPI. Clin Microbiol Infect. 2017 Jan; 23(1):49.e1-49.e8.

PUBMED DOI

Development and Validation of a High-Resolution Melting Assay To Detect Azole Resistance in Aspergillus fumigatus.

Bernal-Martínez L, Gil H, Rivero-Menéndez O, Gago S, Cuenca-Estrella M, Mellado E, Alastruey-Izquierdo A. Development and Validation of a High-Resolution Melting Assay To Detect Azole Resistance in Aspergillus fumigatus. Antimicrob Agents Chemother. 2017 Nov 22;61(12). pii: e01083-17.

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Cervicofacial lymphadenitis due Mycobacterium mantenii: rapid and reliable identification by MALDI-TOF MS.

Nebreda T, Andres AG, Fuentes S, Calleja R, Jimenez MS. Cervicofacial lymphadenitis due Mycobacterium mantenii: rapid and reliable identification by MALDI-TOF MS. New Microbes and New Infections .2018. March 22:1-3.

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In-depth analysis of the genome sequence of a clinical, extensively drug-resistant Mycobacterium bovis strain.

Sagasta S, Millan-Lou MI, Jiménez MS, Martin C, Samper S. In-depth analysis of the genome sequence of a clinical, extensively drug-resistant Mycobacterium bovis strain. Tuberculosis. 2016. Sep. 100:46-52.

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Structure and immunogenicity of pre-fusion-stabilized human metapneumovirus F glycoprotein.

Battles MB, Mas V, Olmedillas E, Cano O, Vazquez M, Rodriguez L, et al. Structure and immunogenicity of pre-fusion-stabilized human metapneumovirus F glycoprotein. Nat Commun. 2017;8(1):1528.

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Generation and Characterization of ALX-0171, a Potent Novel Therapeutic Nanobody for the Treatment of Respiratory Syncytial Virus Infection

Detalle L, Stohr T, Palomo C, Piedra PA, Gilbert BE, Mas V, et al. Generation and Characterization of ALX-0171, a Potent Novel Therapeutic Nanobody for the Treatment of Respiratory Syncytial Virus Infection. Antimicrob Agents Chemother. 2016;60(1):6-13.

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Characterization of an enhanced antigenic change in the pandemic 2009 H1N1 influenza virus haemagglutinin

Garcia-Barreno B, Delgado T, Benito S, Casas I, Pozo F, Cuevas MT, et al. Characterization of an enhanced antigenic change in the pandemic 2009 H1N1 influenza virus haemagglutinin. J Gen Virol. 2014;95(Pt 5):1033-42.

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A case of respiratory toxigenic diphtheria: Contact tracing results and considerations following a 30-year disease-free interval, Catalonia, Spain, 2015.

Jané, M., Vidal, M.J., Camps, N., Campins, M., Martínez, A., Balcells, J., Martin-Gomez, M.T., Bassets, G., Herrera-Leon, S., Foguet, A., Maresma, M., Follia, N., Uriona, S., Pumarola, T. A case of respiratory toxigenic diphtheria: Contact tracing results and considerations following a 30-year disease-free interval, Catalonia, Spain, 2015. (2018) Eurosurveillance, 23 (13).

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Development of three multiplex PCR assays targeting the 21 most clinically relevant serogroups associated with Shiga toxin-producing E. coli infection in humans

Sánchez, S., Llorente, M.T., Echeita, M.A., Herrera-León, S. Development of three multiplex PCR assays targeting the 21 most clinically relevant serogroups associated with Shiga toxin-producing E. coli infection in humans (2015) PLoS ONE, 10 (1).

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Shiga toxin-producing Escherichia coli and atypical enteropathogenic E. coli infection in a Spanish household

Sánchez, S., Cenoz, M.G., Martín, C., Beristain, X., Llorente, M.T., Herrera-León, S. Cluster investigation of mixed O76:H19 Shiga toxin-producing Escherichia coli and atypical enteropathogenic E. coli infection in a Spanish household (2014) Epidemiology and Infection, 142 (5), pp. 1029-1033.

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Epidemic history of hepatitis C virus genotypes and subtypes in Portugal.

Palladino C, Ezeonwumelu IJ, Marcelino R, Briz V, Moranguinho I, Serejo F, Velosa JF, Tato Marinho R, Borrego P, Taveira N. 2018. Epidemic history of hepatitis C virus genotypes and subtypes in Portugal. Sci Rep. 2018; 8:12266. (A; FI= 4.12; Q1 Multidisciplinary Sciences; DOI:10.1038/s41598-018-30528-0).

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Low frequency of NS5A relevant resistance-associated substitutions to Elbasvir among hepatitis C virus genotype 1a in Spain: a cross-sectional study.

Palladino C, Sanchez-Carrillo M, Mate-Cano I, Vazquez-Morón S, Jiménez-Sousa MA, Gutiérrez-Rivas M, Resino S, Briz V. Low frequency of NS5A relevant resistance-associated substitutions to Elbasvir among hepatitis C virus genotype 1a in Spain: a cross-sectional study. Sci Rep. 2017; 7(1):2892. (A; FI= 4.12; Q1 Multidisciplinary Sciences).

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Off-label use of maraviroc in HIV-1-infected paediatric patients in clinical practice.

Palladino C, Navarro Gomez ML, Soler-Palacin P, Gonzalez-Tome MI, Jiménez de Ory S, Espiau M, Pérez-Hoyos S, León-Leal JA, Méndez M, Moreno-Pérez D, Fortuny C, uer A, Pocheville I, Moreno S, Briz V, on behalf of the CoRISpe Working Group. Off-label use of maraviroc in HIV-1-infected paediatric patients in clinical practice. AIDS 2015; 29-16, pp.2155-2159. (A; FI= 4,407; Q1 Infectious Disease).

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Comparative sensitivity of commercial tests for hepatitis E genotype 3 virus antibody detection.

Comparative sensitivity of commercial tests for hepatitis E genotype 3 virus antibody detection. Avellon A, Morago L, Garcia-Galera del Carmen M, Munoz M, Echevarría JM. J Med Virol. 2015 Nov;87(11):1934-9. Epub 2015 May 29.

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Relative telomere length impact on mortality of COVID-19: sex differences.

Virseda-Berdices A, Concostrina-Martinez L, Martínez-González O, Blancas R, Resino S, Ryan P, De Juan C, Moreira-Escriche P, Martin-Vicente M, Brochado-Kith O, Blanca-López N, Jiménez-Sousa MA (‡,*), Fernández-Rodríguez A (‡). Relative telomere length impact on mortality of COVID-19: sex differences. J Med Virol 2023; 98 (1): e28368 (A; FI= 20.96; D1, Virology; JCR 2021).

PUBMED

Activity of host antimicrobials against multidrug resistant Acinetobacter baumannii acquiring colistin resistance through loss of lipopolysaccharide

García-Quintanilla, M., Pulido, M. R., Moreno-Martínez, P., Martín-Peña, R., López-Rojas, R., Pachón, J. and McConnell, M.J.* Activity of host antimicrobials against multidrug resistant Acinetobacter baumannii acquiring colistin resistance through loss of lipopolysaccharide. Antimicrobial Agents and Chemotherapy 2014. May;58(5):2972-5.

PUBMED DOI

Plasma miRNA profile at COVID-19 onset predicts severity status and mortality.

Fernández-Pato A; Virseda-Berdices A, Ryan P; Martínez-González O, Peréz-García F, Resino S, Martin-Vicente M, Valle-Millares D, Brochado-Kith O; Blancas R; Ceballos FC; Bartolome-Sánchez S; Vidal-Alcántara EJ; Alonso-Menchén D, Blanca-López N; Ramirez Martinez-Acitores I, Rava M, Jiménez-Sousa MA (‡ *), Amanda Fernández-Rodríguez (‡ *). Plasma miRNA profile at COVID-19 onset predicts severity status and mortality. Emerg Microbes Infect 2022; 11(1):676-688 (A; FI= 19.57; D1, Infectious Diseases; JCR 2021).

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Mild profile improvement of immune biomarkers in HIV/HCV-coinfected patients who removed hepatitis C after HCV treatment: a prospective study.

García-Broncano P, Medrano LM, Berenguer J, Brochado O, González-García J, Jiménez-Sousa MA, Quereda C, Sanz J, Téllez MJ, Díaz L, Jiménez JL, Muñoz-Fernández MA, Resino S (*). Mild profile improvement of immune biomarkers in HIV/HCV-coinfected patients who removed hepatitis C after HCV treatment: a prospective study. J Infect 2020; 80(1):99-110. (A; FI= 6.07; Q1, Infectious Diseases; JCR 2020).

PUBMED DOI

Efficacy of DNA amplification in tissue biopsy samples to improve the detection of invasive fungal disease

Buitrago MJ, Aguado JM, Ballen A, Bernal-Martinez L, Prieto M, Garcia-Reyne A, Garcia-Rodriguez J, Rodriguez-Tudela JL, Cuenca-Estrella M. Efficacy of DNA amplification in tissue biopsy samples to improve the detection of invasive fungal disease. Clin Microbiol Infect. 2013 Jun;19(6):E271-7. doi: 10.1111/1469-0691.12110. Epub 2013 Mar 7. PMID: 23464751.

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Accumulation of endogenous free radicals is required to induce titan-like cell formation in Cryptococcus neoformans

Irene García-Barbazán, Alba Torres-Cano, Rocío García-Rodas, Martin Sachse, Daniel Luque, Diego Megías, Oscar Zaragoza. mBio. 2024 Jan 16;15(1):e0254923

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An alternative host model of a mixed fungal infection by azole susceptible and resistant Aspergillus spp strains

15. Alcazar-Fuoli L, Buitrago M, Gomez-Lopez A, Mellado E. An alternative host model of a mixed fungal infection by azole susceptible and resistant Aspergillus spp strains. Virulence. 2015;6(4):376-84. doi: 10.1080/21505594.2015.1025192. PMID: 26065322.

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Nationwide Trends of Invasive Pneumococcal Disease in Spain From 2009 Through 2019 in Children and Adults During the Pneumococcal Conjugate Vaccine Era

de Miguel S, Domenech M, González-Camacho F, Sempere J, Vicioso D, Sanz JC, Comas LG, Ardanuy C, Fenoll A, Yuste J. Nationwide Trends of Invasive Pneumococcal Disease in Spain From 2009 Through 2019 in Children and Adults During the Pneumococcal Conjugate Vaccine Era. Clin Infect Dis. 2021 Dec 6;73(11):e3778-e3787

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Pulmonary BCG induces lung-resident macrophage activation and confers long-term protection against tuberculosis

7. Mata E, Tarancón R, Guerrero C, Moreo E, Moreau F, Uranga S, Gomez AB, Marinova D, Domenech M, Gonzalez-Camacho F, Monzon M, Badiola J, Dominguez-Andres J, Yuste J, Anel A, Peixoto A, Martin C, Aguilo N. Pulmonary BCG induces lung-resident macrophage activation and confers long-term protection against tuberculosis. Sci Immunol. 2021 Sep 24;6(63):eabc2934

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Vaccination with LytA, LytC, or Pce of Streptococcus pneumoniae Protects against Sepsis by Inducing IgGs That Activate the Complement System

Corsini B, Aguinagalde L, Ruiz S, Domenech M, Yuste J. Vaccination with LytA, LytC, or Pce of Streptococcus pneumoniae Protects against Sepsis by Inducing IgGs That Activate the Complement System. Vaccines. 2021 Feb 23;9(2):186.

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