María Eugenia León

ORCID: 0000-0001-7416-249X
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About
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Research Areas
  • Pneumonia and Respiratory Infections
  • Respiratory viral infections research
  • Bacterial Infections and Vaccines
  • Streptococcal Infections and Treatments
  • Tuberculosis Research and Epidemiology
  • Infective Endocarditis Diagnosis and Management
  • COVID-19 Pandemic Impacts
  • Otolaryngology and Infectious Diseases
  • Pneumocystis jirovecii pneumonia detection and treatment
  • Ocular Infections and Treatments
  • Antibiotic Resistance in Bacteria
  • Criminal Justice and Corrections Analysis
  • Dental Research and COVID-19
  • Neonatal and Maternal Infections
  • Influenza Virus Research Studies
  • Legionella and Acanthamoeba research
  • Governance, Compliance, and Sustainability
  • Bacterial Identification and Susceptibility Testing
  • Ocular Diseases and Behçet’s Syndrome
  • Antibiotic Use and Resistance
  • Biochemical and Structural Characterization
  • Antimicrobial Resistance in Staphylococcus

Ministerio de Salud Pública y Bienestar Social
2016-2024

National Public Health Laboratory
2021

Public Health Laboratory
2021

IPS Central
2021

Instituto Adolfo Lutz
2020

David R. Shaw Raquel Abad Zahin Amin‐Chowdhury Adriana Bautista Désirée E. Bennett and 94 more Karen Broughton Bin Cao Carlo Casanova Eun Hwa Choi Yiu-Wai Chu Heike Claus Juliana Coelho Mary Corcoran Simon Cottrell Robert Cunney Lize Cuypers Tine Dalby Heather Davies Linda de Gouveia Ala‐Eddine Deghmane Walter Demczuk Stefanie Desmet Mirian Domenech Richard J. Drew Mignon du Plessis Carolina Duarte Helga Erlendsdóttir Norman K. Fry Kurt Fuursted Thomas Hale Desirée Henares Birgitta Henriques‐Normark Markus Hilty Steen Hoffmann H. Humphreys Margaret Ip Susanne Jacobsson Christopher R. Johnson Jillian Johnston Keith A. Jolley Aníbal Kawabata Jana Kozáková Karl G. Kristinsson Pavla Křížová Alicja Kuch Shamez Ladhani Thiên‐Trí Lâm María Eugenia León Laura Lindholm D Litt Martin Maiden Irene Martín Delphine Martiny Wesley Mattheus Noel McCarthy Mary Meehan Susan Meiring Paula Mölling Eva Morfeldt Julie Morgan Robert Mulhall Carmen Muñoz‐Almagro David R. Murdoch Joy Murphy Martin Musílek A. Mzabi Ludmila Nováková Shahin Oftadeh Amaresh Pérez-Argüello María Pérez‐Vázquez Monique Perrin Malorie Perry Benoît Prévost Maria Roberts Assaf Rokney M. Ron Olga Sanabria Kevin J Scott Carmen Sheppard Lotta Siira Vitali Sintchenko Anna Skoczyńska Monica Sloan Hans‐Christian Slotved Andrew Smith Anneke Steens Muhamed‐Kheir Taha Maija Toropainen Georgina Tzanakaki Anni Vainio Mark P. G. van der Linden Nina M. van Sorge Emmanuelle Varon Sandra Vohrnova Anne von Gottberg José Yuste Rosemeire Cobo Zanella Fei Zhou Angela B. Brueggemann

BackgroundThe Invasive Respiratory Infection Surveillance (IRIS) Consortium was established to assess the impact of COVID-19 pandemic on invasive diseases caused by Streptococcus pneumoniae, Haemophilus influenzae, Neisseria meningitidis, and agalactiae. We aimed analyse incidence distribution these during first 2 years compared preceding pandemic.MethodsFor this prospective analysis, laboratories in 30 countries territories representing five continents submitted surveillance data from Jan...

10.1016/s2589-7500(23)00108-5 article EN cc-by The Lancet Digital Health 2023-07-27

Serotype-specific surveillance for invasive pneumococcal disease (IPD) is essential assessing the impact of 10- and 13-valent conjugate vaccines (PCV10/13). The Pneumococcal Serotype Replacement Distribution Estimation (PSERENADE) project aimed to evaluate global evidence estimate PCV10/13 by age, product, schedule, syndrome. Here we systematically characterize summarize landscape routine serotype-specific IPD in PCV10/13-using countries describe subset that are included PSERENADE. Of 138...

10.3390/microorganisms9040742 article EN cc-by Microorganisms 2021-04-02

Streptococcus pneumoniae is a cause of invasive diseases such as pneumonia, meningitis, and other serious infections among children adults in Paraguay. This study was conducted to establish S . baseline prevalence, serotype distribution, antibiotic resistance patterns healthy aged 2 59 months ≥60 years age prior the introduction PCV10 national childhood immunization program Between April July 2012, total 1444 nasopharyngeal swabs were collected, 718 from 726 age. The pneumococcal isolation,...

10.1371/journal.pone.0280722 article EN cc-by PLoS ONE 2023-02-16

Introduction. Colonization by Neisseria meningitidis is the pre-requisite for development of disease. We present findings a cross-sectional investigation onto oropharyngeal carriage N. and species in population aged 3 to 21 Paraguay. Aim. Carriage prevalence age groups, risk factors associated with carriage, phenotypic genotypic characteristics strains are described. Methodology. collected 2011 swabs from consenting participants 3–21 years. Infants were recruited at immunization clinics,...

10.1099/jmm.0.001097 article EN Journal of Medical Microbiology 2019-12-01

Background: Widespread use of pneumococcal conjugate vaccines (PCVs) has reduced vaccine-type invasive disease (IPD). We describe the serotype distribution IPD after extensive PCV10 and PCV13 globally.Methods: data were obtained from surveillance sites globally that exclusively used or in their national immunization program had primary series uptake ≥70%. Serotype was estimated for cases occurring ≥5 years post-introduction (i.e., mature PCV10/13 period) using multinomial Dirichlet...

10.2139/ssrn.4754908 preprint EN 2024-01-01

Describe the phenotypical and genotypical characteristics of Neisseria meningitidis isolates from cases meningococcal disease in Paraguay between 1996 2015.Conventional microbiological methods molecular techniques were used to study 114 N. 12 clinical samples without isolation (confirmed by polymerase chain reaction), provided various sentinel centers collaborating Paraguay.The most affected age group was children under 1 year (19.0%), followed 1-5-year-olds (17.5%). The highest percentage...

10.26633/rpsp.2019.10 article ES cc-by-nc-nd Revista Panamericana de Salud Pública 2019-02-13

Streptococcus pneumoniae sigue siendo una de las causas más importantes morbilidad y mortalidad en niños adultos alrededor del mundo. El objetivo estudio fue describir la frecuencia aislamiento S. enfermedad invasiva, distribución serotipos sensibilidad antimicrobiana Paraguay (2010-2018). Se estudiaron 793 cepas aisladas pacientes todas edades con invasiva Paraguay, provenientes los diferentes centros centinelas colaboradores el marco vigilancia meningitis neumonías, durante periodo...

10.18004/mem.iics/1812-9528/2020.018.01.38-046 article ES cc-by Memorias del Instituto de Investigaciones en Ciencias de la Salud 2020-04-26

La resistencia a los antimicrobianos (RAM) es una grave amenaza global que compromete la eficacia de tratamientos contra infecciones, siendo fundamental su detección temprana y el monitoreo continuo mecanismos emergentes resistencia. El objetivo este trabajo fue evaluar susceptibilidad antimicrobiana bacterias importancia clínica aisladas infecciones nosocomiales ambulatorias en Paraguay durante año 2023. Fueron analizados Sección Antimicrobianos del Dpto. Bacteriología Micología Laboratorio...

10.18004/imt/2024.19.2.8 article ES cc-by Revista del Instituto de Medicina Tropical 2024-12-30

Se describe la frecuencia de aislamientos S. pneumoniae causante enfermedad neumocócica invasiva (ENI) en adultos, distribución los serotipos y su sensibilidad antimicrobiana Paraguay durante el periodo 2013-2018.Se trata un estudio descriptivo observacional retrospectivo corte transversal que se estudiaron total 269 cepas aisladas líquido cefalorraquídeo (LCR) (76/269), pleural (174/269) hemocultivo 19/269), provenientes diferentes centros centinelas colaboradores vigilancia meningitis...

10.32480/rscp.2018-23-2.263-274 article ES cc-by Revista de la Sociedad Científica del Paraguay 2019-03-30

Introducción. El serotipo 14 de Streptococcus pneumoniae es una causa importante enfermedades neumocócicas invasivas en todo el mundo. A menudo presenta resistencia a variedad agentes antimicrobianos, lo que genera dificultades tratamiento. Se dispone datos limitados sobre la población pediátrica Paraguay, por monitoreo los serotipos y antimicrobianos causan enfermedad neumocócica. Objetivo: Evaluar las relaciones clonales aislamientos S. invasivo recuperados niños menores cinco años asociar...

10.37811/cl_rcm.v5i2.427 article ES cc-by Ciencia Latina Revista Científica Multidisciplinar 2021-05-01

Introduction.Streptococcus pneumoniae remains a major cause of mortality and morbidity worldwide in children <5 years age, even with advances vaccination programmes.Hypothesis/Gap Statement. Reviewing reporting trends the distribution pneumococcal serotypes antimicrobial resistance Paraguay will be useful for decision-making public health.Aim. This study analysed serotype S. characteristics disease old before after introduction conjugate vaccines (PCVs).Methodology. A total 885 isolates 278...

10.1099/jmm.0.001700 article EN Journal of Medical Microbiology 2023-06-08

Objetivos: Determinar la frecuencia de neumonías bacterianas atípicas causadas por Legionella pneumophila, Mycoplasma pneumoniae y Chlamydophila pneumoniae, en niños adultos Paraguay durante el periodo 2014-2017 técnicas moleculares.&#x0D; Materiales métodos: se incluyeron este estudio 148 muestras líquido pleural con diagnóstico neumonía adquirida comunidad (NAC) 2014 a febrero 2017. Las fueron remitidas al Laboratorio Central Salud Pública los Centros Centinelas Colaboradores Red...

10.32480/rscp.2018-23-1.139-146 article ES cc-by Revista de la Sociedad Científica del Paraguay 2018-10-13

La enfermedad meningocócica representa un problema de salud pública y una las principales causas morbilidad mortalidad en todo el mundo. Los serogrupos que causan la mayor carga a nivel global son A, B, C, W e Y. El objetivo del estudio fue describir los resistencia antimicrobiana Neisseria meningitidis aisladas invasiva Paraguay durante periodo 2010-2020. Se estudiaron todas muestras líquido cefalorraquídeo sangre con aislamientos o detección ADN por PCR N. pacientes diversas edades, fueron...

10.18004/mem.iics/1812-9528/2022.020.01.30 article ES cc-by Memorias del Instituto de Investigaciones en Ciencias de la Salud 2022-04-01
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