Bulletin acute luchtweginfecties week 36-2025 - Gepubliceerd op 10.09.2025, Fierens, Sébastien, Brugerolles Claire, Lafort Yves, Hanoteaux Sven, Lajot Adrien, Vandromme Mathil, Dockx Yinthe, Mpakaniye Peace, Bossuyt Nathalie, Nahimana Mélanie, et al. , 2024, Brussels, p.48, (2025)

Bulletin infections respiratoires aiguës semaine 36-2025 - Publié 10/09/25, Fierens, Sébastien, Brugerolles Claire, Lafort Yves, Hanoteaux Sven, Lajot Adrien, Vandromme Mathil, Dockx Yinthe, Mpakanyie Peace, Bossuyt Nathalie, Nahimana Mélanie, et al. , 2024, Brussels, p.48, (2025)

NSIH surveillances: Module du dénominateur et variables communes: protocol 2025, Mertens, Karl, Callies Milena, Latour Katrien, Mpalirwa Isabelle Uwera, Shodu Nathalie, Tamminga Thalea, Van Imschoot Leila, Vilain Aline, and Catry Boudewijn , 2025, Brussels, Belgium, p.27, (2025)

NSIH surveillances: Noemermodule en gemeenschappelijk gebruikte variabelen: protocol 2025, Mertens, Karl, Callies Milena, Latour Katrien, Mpalirwa Isabelle Uwera, Shodu Nathalie, Tamminga Thalea, Van Imschoot Leila, Vilain Aline, and Catry Boudewijn , 2025, Brussel, Belgium, p.27, (2025)

Surveillance of Bloodstream Infections in Belgian Hospitals ? Annual Report 2024, Data up to and including 2023., Shodu, Nathalie, Vaes Louise, and Mertens Karl , 2025, Brussels, Belgium, p.89, (2025)

EARS-BE 2022 Descriptive Report, Vilain, Aline, Pearcy Morgan, Latour Katrien, Mertens Karl, and Vaes Louise , 2024, p.26, (2024)

EARS-BE 2022 Statistical Report, Vilain, Aline, Pearcy Morgan, Latour Katrien, Mertens Karl, and Vaes Louise , 2024, Brussels, Belgium, p.10, (2024)

Epidemiology of Clostridioides difficile infections in Belgian hospitals: National report ? Data up to and including 2023, Callies, Milena, and Mertens Karl , 10-2024, (2024)

Epidemiology of Clostridioides difficile infections in Belgian hospitals, National report, Data up to and including 2022, Callies, Milena, Vaes Louise, and Mertens Karl , 02/2024, Number 41, Brussels, Belgium, (2024)

European antimicrobial resistance surveillance for Belgium (EARS-BE) 2022: Descriptive report, Aline, Vilain, Pearcy Morgan, Vaes Louise, Mertens Karl, and Latour Katrien , 04/2024, Brussels, Belgium, p.26, (2024)

Influenza like-illness surveillance using a Belgian sentinel network of nursing homes: results of October 2022 onwards, Callies, Milena, Bossuyt Nathalie, Catteau Lucy, Catry Boudewijn, Duysburgh Els, Latour Katrien, Vaes Louise, and Mertens Karl , European Congress of Clinical Microbiology and Infectious Diseases, 04/2024, Barcelona, Spain, (2024)

Surveillance of Bloodstream Infections in Belgian Hospitals - Annual report 2023 , Data up to and including 2022, Vercruyce, Mariken, Vaes Louise, Shodu Nathalie, and Mertens Karl , 15/01/2024, Brussels, Belgium, p.84, (2024)

Trends of Clostridioides difficile infections in Belgian hospitals, between 2010 and 2022, Callies, Milena, Vaes Louise, Catry Boudewijn, and Mertens Karl , 09/2024, Bled, Slovenia, (2024)

European antimicrobial resistance surveillance Belgium (EARS-BE) 2021 National statistical report, Mertens, Karl, and Vaes Louise , 2023 feb, Brussels, Belgium, p.13, (2023)

European antimicrobial resistance surveillance for Belgium (EARS-BE) 2021 ? description of main findings., Mertens, Karl, and Vaes Louise , feb 2023, Brussels, Belgium, p.16, (2023)

European Antimicrobial Resistance Surveillance For Belgium (EARSBE, EARSBE-URI, EARSBE-AMR) - Data call 2022, including case and data definitions, and instructions for participating laboratories., Mertens, Karl, Latour Katrien, and Vaes Louise , 2023, Brussels, Belgium, p.21, (2023)

Influenza-like illness (including COVID-19) sentinel surveillance in Belgian nursing homes: amended protocol - V2, Callies, Milena, Barbezange Cyril, Bossuyt Nathalie, Catteau Lucy, Latour Katrien, Vermeulen Melissa, Duysburgh Els, and Mertens Karl , 05/09/2023, p.24, (2023)

Nationale surveillance van postoperatieve wondinfecties en evaluatie van perioperatieve antibiotica profylaxe: NSIH-SSI protocol 2023, Vercruyce, Mariken, and Mertens Karl , 12/12/2023, Brussel, p.84, (2023)

Surveillance nationale des infections du site operatoire et évaluation de la prophylaxie antibiotique périopératoire: protocole NSIH-ISO 2023, Vercruyce, Mariken, and Mertens Karl , 12/12/2023, Brussel, p.84, (2023)

European antimicrobial resistance surveillance for Belgium (EARS-BE) 2020 ? description of main findings., Mertens, Karl , Jan 2022, Brussels, Belgium, p.16, (2022)

European Antimicrobial Resistance Surveillance For Belgium (EARS-BE) - Protocol 2021, including data call, case and data definitions, instructions for participating laboratories., Mertens, Karl , Jan 2022, Brussels, Belgium, p.15, (2022)

Impact of the COVID-19 pandemic on Clostridioides difficile infections in Belgian acute care hospitals in 2020., Mortgat, Laure, Mertens Karl, and Duysburgh Els , ECCMID 2022, Apr 2022, (2022)

European antimicrobial resistance surveillance Belgium (EARS-BE) 2020 National statistical report, Mertens, Karl , Dec 2021, Brussels, Belgium, p.13, (2021)

European antimicrobial resistance surveillance, Belgium (EARS-BE) National statistical report, data from 2019, Mertens, Karl, and Catteau Lucy , Jan 2021, Brussels, Belgium, p.13, (2021)

European antimicrobial resistance surveillance for Belgium (EARS-BE) 2019 ? description of main findings., Mertens, Karl, and Catteau Lucy , Feb 2021, Brussels, Belgium, p.13, (2021)

Surveillance of ICU-acquired Infections, National Feedback Report, Year 2019, Mertens, Karl , Dec 2020, Brussels, Belgium, p.27, (2020)

Antimicrobial prescribing by Belgian dentists in ambulatory care, from 2010 to 2016., Struyf, Thomas, Vandael Eline, Leroy Roos, Mertens Karl, and Catry Boudewijn , Int Dent J, 2019 Dec, Volume 69, Issue 6, (2019)

Attributable deaths and disability-adjusted life-years caused by infections with antibiotic-resistant bacteria in the EU and the European Economic Area in 2015: a population-level modelling analysis, Cassini, Alessandro, Högberg Liselotte Diaz, Plachouras Diamantis, Quattrocchi Annalisa, Hoxha Ana, Simonsen Gunnar Skov, Colomb-Cotinat Mélanie, Kretzschmar Mirjam E., Devleesschauwer Brecht, Cecchini Michele, et al. , Lancet Infect Dis, 2019 Jan, Volume 19, Issue 1, (2019)

European antimicrobial resistance surveillance, Belgium (EARS-BE) National statistical report, data from 2018, Mertens, Karl, and Catteau Lucy , Dec 2019, Brussels, Belgium, p.13, (2019)

European antimicrobial resistance surveillance, Belgium (EARS-BE) National Descriptive report, 2018 data, Catteau, Lucy, and Mertens Karl , (2019)

Guide for the interpretation of the EARS-Net laboratory report, Struyf, Thomas, Mertens Karl, and Catteau Lucy , 2019, Brussels, Belgium, p.4, (2019)

Surveillance of ICU-acquired Infections, National Feedback Report, Year 2018, Mertens, Karl , Aug 2019, Brussels, Belgium, p.29, (2019)

Care Infections & Antibiotic Resistance in Belgium, Catry, Boudewijn, Mertens Karl, Latour Katrien, Legiest B, Duysburgh Els, Papadopoulos T, Vandael E, Struyf T, Mortgat Laure, Benhammadi N, et al. , Journal of Epidemiology and Public Health Reviews, Jan-01-2018, Volume 3, Issue 2, Number 7, (2018)

European antimicrobial resistance surveillance Belgium (EARS-BE) 2017  ? description of main findings, Mertens, Karl , Dec 2018, Brussels, Belgium, p.11, (2018)

European antimicrobial resistance surveillance, Belgium (EARS-BE)  National statistical report, data from 2017, Mertens, Karl , Dec 2018, Brussels, Belgium, p.13, (2018)

European Antimicrobial Resistance Surveillance Network (EARS-Net Belgium)  - Report 2017 (Data up to and including 2016), Struyf, Thomas, and Mertens Karl , Mar 2018, Brussels, Belgium, p.48, (2018)

Augmented and doubly robust G-estimation of causal effects under a Structural nested failure time model., Mertens, Karl, and Vansteelandt Stijn , Biometrics, 2017 Jul 25, (2017)

European Antibiotic Resistance Surveillance Network (EARS-Net Belgium), Report 2017, Struyf, Thomas , 11/2017, Number 46, Brussels, Belgium, p.46, (2017)

National Surveillance of Infections acquired in Intensive Care Units: Annual Report 2015, Mertens, Karl , 09/2017, Brussels, Belgium, p.10, (2017)

Nationale Surveillance van Nosocomiale  Infecties in Intensieve Zorgen, Protocol HELICS België (inc addendum), Mertens, Karl, Suetens C., Morales I., and Catry Boudewijn , March 2017, Brussels, Belgium, p.55, (2017)

Protocole d?étude Surveillance des Infections  Nosocomiales aux Soins Intensifs, Protocole HELICS Belgique (inc addendum), Mertens, Karl, Suetens C, Morales I., and Catry Boudewijn , March 2017, Brussels, Belgium, p.54, (2017)

Surveillance Nationale  des Infections du Site Opératoire  NSIH protocol (Novembre 2010) & Addendum (2017), Mertens, Karl , Nov 2010, 2017, Brussels, Belgium, p.22, (2017)

Surveillance of ICU - Acquired Infections: National Feedback Report - Risk Factor Indicators - Year 2015, Mertens, Karl , 20/04/2017, Brussels, Belgium, p.42, (2017)

Surveillance of ICU-acquired Infections, National Feedback Report, Year 2016, Mertens, Karl , Dec 2017, Brussels, Belgium, p.29, (2017)

Surveillance of ICU - Acquired Infections: National Feedback Report - Infection Indicators - Year 2015, Mertens, Karl , 11/2016, Brussels, Belgium, p.29, (2016)

Validation of a Sampling Method to Collect Exposure Data for Central-Line-Associated Bloodstream Infections., Hammami, Naïma, Mertens Karl, Overholser Rosanna, Goetghebeur Els, Catry Boudewijn, and Lambert Marie-Laurence , Infect Control Hosp Epidemiol, 2016 May, Volume 37, Issue 5, Number 554, p.549-54, (2016)

Nationale surveillance van infecties verworven op eenheden voor intensieve zorg, Jaarrapport 2012., Mertens, Karl , 1/9/2014, Brussels, p.91, (2014)

Preventable proportion of severe infections acquired in intensive care units: case-mix adjusted estimations from patient-based surveillance data., Lambert, Marie-Laurence, Silversmit Geert, Savey Anne, Palomar Mercedes, Hiesmayr Michael, Agodi Antonella, Van Rompaye Bart, Mertens Karl, and Vansteelandt Stijn , Infect Control Hosp Epidemiol, 2014 May, Volume 35, Issue 5, p.494-501, (2014)

Risk factors for methicillin resistant Staphylococcus aureus: a multi-laboratory study, Catry, Boudewijn, Latour Katrien, Jans B, Vandendriessche S., Preal R, Mertens Karl, and Denis O. , PLoS.One., 14/4/2014, Volume 9, Issue 2, p.e89579, (2014)

Surveillance nationale des infections acquises dans les unités de soins intensifs, Rapport annuel 2012, Mertens, Karl , 1/9/2014, Brussels, p.91, (2014)

Development of a standardized infection ratio for the national surveillance of nosocomial infections in neonatal intensive care units., Mertens, Karl, and Mahieu L. , Surveillance working group of the national college of neonatology, 14/5/2013, Issue Haumont,D., (2013)

Infections acquired in intensive care units: results of national surveillance in Belgium, 1997-2010., Mertens, Karl, Morales I, and Catry Boudewijn , J Hosp Infect, 2013 Jun, Volume 84, Issue 2, Number 125, p.120-5, (2013)

National surveillance of nosocomial infections in neonatal intensive care units in Belgium (Neo-KISS), Mahieu, L., Cossey V., Mertens Karl, Haumont D., Naulaers G., and Quoilin Sophie , Diagnose en surveillance van infectieuze aandoeningen, 21/11/2013, Issue Quoilin,S., NA, (2013)

Nationale surveillance van post-operatieve wondinfecties., Mertens, Karl , Regionale werkgroep ziekenhuishygiene Vlaams-Brabant Limburg, 18/2/2013, Issue Schuermans,A., (2013)

Fifty percent reduction of MRSA incidence in Belgian acute care hospitals: yes we can!, Jans, B., Catry Boudewijn, Costers M., Mertens Karl, Simon A., and Denis O. , European Congress of Clinical Microbiology and Infectious Diseases, 1/4/2012, Issue European Society of Clinical Microbiology and Infectious Diseases, NA, (2012)

Indicators for surveillance of healthcare-associated infections in neonatology, Mertens, Karl, and Mahieu L. , National College of Neonatology, annual meeting, 19/6/2012, Issue Haumont,D., (2012)

Logiciel NSIhwin pour la surveillance nationale des infections liées aux soins dans les hopitaux Belges, manuel d'utilisation version 4.10, Mertens, Karl , 1/11/2012, Brussels, p.24, (2012)

National surveillance of ICU-acquired infections in Belgium, Mertens, Karl , ECDC HAI-ICU annual network meeting, 21/6/2012, Issue European Center for Disease Prevention and Control, NA, (2012)

Nationale surveillance van infecties verworven op eenheden voor intensieve zorg, Jaarrapport 2011., Mertens, Karl , 1/11/2012, Brussels, p.67, (2012)

Nationale surveillance van post-operatieve wondinfecties, Mertens, Karl , 22e dag van de ziekenhuishygiëne, 6/12/2012, Issue UZ Gent, NA, (2012)

NSIHwin software voor de nationale surveillance van zorggerelateerde infecties in de Belgische ziekenhuizen, handleiding bij versie 4.10., Mertens, Karl , 1/11/2012, Brussels, p.25, (2012)

Surveillance van IZ-verworven infecties., Mertens, Karl, and Catry Boudewijn , Ziekenhuis Ronse, 27/1/2012, Issue De Moerloose,K., (2012)

Clinical outcomes of health-care-associated infections and antimicrobial resistance in patients admitted to European intensive-care units: a cohort study., Lambert, Marie-Laurence, Suetens Carl, Savey Anne, Palomar Mercedes, Hiesmayr Michael, Morales Ingrid, Agodi Antonella, Frank Uwe, Mertens Karl, Schumacher Martin, et al. , Lancet Infect Dis, 2011 Jan, Volume 11, Issue 1, p.30-8, (2011)

Parenteral versus oral administration of systemic antimicrobials in European nursing homes: a point-prevalence survey., Broex, Elisabeth, Catry Boudewijn, Latour Katrien, Mertens Karl, Vankerckhoven Vanessa, Muller Arno, Stroobants Rudi, Zarb Peter, Goossens Herman, and Jans Beatrice , Drugs Aging, 2011 Oct 01, Volume 28, Issue 10, p.809-18, (2011)

Clinical influenza surveillance of Influenza A(H1N1) 2009 pandemic through the network of Sentinel General Practitioners36890, Van Casteren, Viviane, Mertens Karl, Antoine Jérôme, Wanyama Simeon, Thomas Isabelle, and Bossuyt Nathalie , Archives of Public Health, 0/0/2010, Volume 68, Number 67, p.62 - 67, (2010)

Nationale Surveillance van  Postoperatieve Wondinfecties  NSIH protocol (November 2010) & Addendum (2017), Mertens, Karl , Nov 2010, 2017, Brussels, Belgium, p.19, (2010)

Marginal structural models for partial exposure regimes., Vansteelandt, Stijn, Mertens Karl, Suetens Carl, and Goetghebeur Els , Biostatistics, 2009 Jan, Volume 10, Issue 1, p.46-59, (2009)

Nation-wide prospective surveillance of Clostridium difficile infections in hospitals in Belgium, July 2007-June 2008., Lambert, Marie-Laurence, Mertens Karl, Ramboer I, Delmée M, and Suetens C , Euro Surveill, 2009 Apr 09, Volume 14, Issue 14, p.2-4, (2009)

External quality assessment in the measurement of haemoglobin by blood gas analysers in Belgium., Van Blerk, Marjan, Coucke Wim, Chatelain B, Goossens W, Jochmans K, Meeus K, Mertens Karl, Pradier O, Rummens J-L, Scheiff J-M, et al. , Scand J Clin Lab Invest, 2007, Volume 67, Issue 7, p.735-40, (2007)

A one-year survey of candidemia in Belgium in 2002., Swinne, D, Watelle M, Suetens C, Mertens Karl, Fonteyne P A., and Nolard N , Epidemiol Infect, 2004 Dec, Volume 132, Issue 6, p.1175-80, (2004)

BLOODSTREAM INFECTION SURVEILLANCE IN BELGIAN HOSPITALS - PROTOCOL 2025, Mertens, Karl, and Shodu Nathalie , (0)

BLOODSTREAM INFECTION SURVEILLANCE IN BELGIAN HOSPITALS - PROTOCOL 2025, Mertens, Karl, and Shodu Nathalie , (0)

NSIH surveillances: Module du dénominateur et  variables communes: protocol 2023, Vaes, Louise, Callies Milena, Latour Katrien, Mertens Karl, Mpalirwa Isabelle Uwera, Shodu Nathalie, Vilain Aline, Vercruyce Mariken, and Catry Boudewijn , (0)

NSIH surveillances: Noemermodule en gemeenschappelijk gebruikte variabelen: protocol 2023, Vaes, Louise, Callies Milena, Latour Katrien, Mertens Karl, Mpalirwa Isabelle Uwera, Shodu Nathalie, Vilain Aline, Vercruyce Mariken, and Catry Boudewijn , (0)

Quatrième campagne nationale « Vous êtes en de bonnes mains » : zoom sur les indications « avant contact patient » . NOSO-info 2012; VOL. XVI n° 4, 3-6., Viseur, N., Costers M., Mertens Karl, Catry Boudewijn, and Simon A. , (0)

Reference lists (annex): the lists of organisms (recognized pathogens and skin contaminants) and of the specialties of departments, Mertens, Karl, and Shodu Nathalie , (0)

Symposium_Presentation : Multidrug resistant organisms (MDRO): update for Belgium - 2016, Catry, Boudewijn, Jans B., Mertens Karl, Lambert M-L., Latour Katrien, Ingenbleek A., Fonguh S., Duysburgh Els, Valencia C., Legiest B., et al. , (0)