Dr. med. Matthias Schlegel
Division of Infectious Diseases, Infection Prevention and Travel Medicine · Dept. I
Burden of post-acute COVID-19 sequelae in healthcare workers and its course over a 30-month period-results from a prospective multicentre cohort.
Dörr T, Strahm C, Güsewell S, Ballouz T, Kocan E, Cusini A, Goppel S, Grässli F, Möller J, Puhan M, Risch L, Ruetti M, Schlegel M, Stocker R, von Kietzell M, Vuichard-Gysin D, Kuster S, Kahlert C, Kohler P, SURPRISE (SURveillance of infectious diseases among health PRofessionals In SwitzErland) Study Group. Burden of post-acute COVID-19 sequelae in healthcare workers and its course over a 30-month period-results from a prospective multicentre cohort. Infection 2024
Nov 12, 2024Burden of post-acute COVID-19 sequelae in healthcare workers and its course over a 30-month period-results from a prospective multicentre cohort.
Nov 12, 2024Infection 2024
Dörr Tamara, Strahm Carol, Güsewell Sabine, Ballouz Tala, Kocan Emina, Cusini Alexia, Goppel Stephan, Grässli Fabian, Möller J. Carsten, Puhan Milo Alan, Risch Lorenz, Ruetti Markus, Schlegel Matthias, Stocker Reto, von Kietzell Matthias, Vuichard-Gysin Danielle, Kuster Stefan, Kahlert Christian, Kohler Philipp, SURPRISE (SURveillance of infectious diseases among health PRofessionals In SwitzErland) Study Group
Colonization with resistant bacteria in hospital employees: an epidemiological surveillance and typing study.
Badinski T, Seiffert S, Grässli F, Babouee Flury B, Besold U, Betschon E, Biggel M, Brucher A, Cusini A, Dörr T, Egli A, Goppel S, Güsewell S, Keller J, von Kietzell M, Möller J, Nolte O, Ortner M, Roloff T, Ruetti M, Schlegel M, Seth-Smith H, Stephan R, Stocker R, Vuichard-Gysin D, Willi B, Kuster S, Kahlert C, Kohler P, SURPRISE Study Group. Colonization with resistant bacteria in hospital employees: an epidemiological surveillance and typing study. Antimicrob Agents Chemother 2024; 68:e0098524.
Sep 26, 2024Colonization with resistant bacteria in hospital employees: an epidemiological surveillance and typing study.
Sep 26, 2024Antimicrob Agents Chemother 2024; 68:e0098524
Badinski Tina, Seiffert Salome N, Grässli Fabian, Babouee Flury Baharak, Besold Ulrike, Betschon Elsbeth, Biggel Michael, Brucher Angela, Cusini Alexia, Dörr Tamara, Egli Adrian, Goppel Stephan, Güsewell Sabine, Keller Joelle, von Kietzell Matthias, Möller J. Carsten, Nolte Oliver, Ortner Manuela, Roloff Tim, Ruetti Markus, Schlegel Matthias, Seth-Smith Helena M B, Stephan Roger, Stocker Reto, Vuichard-Gysin Danielle, Willi Barbara, Kuster Stefan, Kahlert Christian, Kohler Philipp, SURPRISE Study Group
Association of institutional masking policies with healthcare-associated SARS-CoV-2 infections in Swiss acute care hospitals during the BA.4/5 wave (CH-SUR study): a retrospective observational study.
Dörr T, Güsewell S, Flury D, Süveges M, Gaza Valera C, Botero-Mesa S, Zanella M, Iten A, Balmelli C, Troillet N, Tschudin-Sutter S, Schreiber P, Jent P, Damonti L, Sommerstein R, Portmann L, Vuichard-Gysin D, Cusini A, Nussbaumer-Ochsner Y, Heininger U, Christoph B, Zimmermann P, Gardiol C, Keiser O, Schlegel M, Kohler P, Kuster S. Association of institutional masking policies with healthcare-associated SARS-CoV-2 infections in Swiss acute care hospitals during the BA.4/5 wave (CH-SUR study): a retrospective observational study. Antimicrob Resist Infect Control 2024; 13:64.
Jun 18, 2024Association of institutional masking policies with healthcare-associated SARS-CoV-2 infections in Swiss acute care hospitals during the BA.4/5 wave (CH-SUR study): a retrospective observational study.
Jun 18, 2024Antimicrob Resist Infect Control 2024; 13:64
Dörr Tamara, Güsewell Sabine, Flury Domenica, Süveges Maria, Gaza Valera Camille Beatrice, Botero-Mesa Sara, Zanella Marie-Céline, Iten Anne, Balmelli Carlo, Troillet Nicolas, Tschudin-Sutter Sarah, Schreiber Peter W, Jent Philipp, Damonti Lauro, Sommerstein Rami, Portmann Lea, Vuichard-Gysin Danielle, Cusini Alexia, Nussbaumer-Ochsner Yvonne, Heininger Ulrich, Christoph Berger, Zimmermann Petra, Gardiol Céline, Keiser Olivia, Schlegel Matthias, Kohler Philipp, Kuster Stefan
SARS-CoV-2 Vaccination is Not Associated With Involuntary Childlessness in Female Healthcare Workers: A Multicenter Cohort Study.
Dörr T, Güsewell S, Cusini A, Brucher A, Goppel S, Grässli F, Betschon E, Möller J, Ortner M, Ruetti M, Stocker R, Vuichard-Gysin D, Besold U, Risch L, von Kietzell M, Schlegel M, Kuster S, Kahlert C, Kohler P, SURPRISE (SURveillance of infectious diseases among health PRofessionals In SwitzErland) Study Group. SARS-CoV-2 Vaccination is Not Associated With Involuntary Childlessness in Female Healthcare Workers: A Multicenter Cohort Study. Influenza Other Respir Viruses 2024; 18:e13333.
Jun 1, 2024SARS-CoV-2 Vaccination is Not Associated With Involuntary Childlessness in Female Healthcare Workers: A Multicenter Cohort Study.
Jun 1, 2024Influenza Other Respir Viruses 2024; 18:e13333
Dörr Tamara, Güsewell Sabine, Cusini Alexia, Brucher Angela, Goppel Stephan, Grässli Fabian, Betschon Elsbeth, Möller J. Carsten, Ortner Manuela, Ruetti Markus, Stocker Reto, Vuichard-Gysin Danielle, Besold Ulrike, Risch Lorenz, von Kietzell Matthias, Schlegel Matthias, Kuster Stefan, Kahlert Christian, Kohler Philipp, SURPRISE (SURveillance of infectious diseases among health PRofessionals In SwitzErland) Study Group
Successful reduction of urinary catheter placement for correct and incorrect indications after introduction of a prevention bundle.
Cipriani M, Schlegel M, Schwark-Bähler M, Henz S, Kohler P, Albrich W. Successful reduction of urinary catheter placement for correct and incorrect indications after introduction of a prevention bundle. Antimicrob Steward Healthc Epidemiol 2024; 4:e71.
May 2, 2024Successful reduction of urinary catheter placement for correct and incorrect indications after introduction of a prevention bundle.
May 2, 2024Antimicrob Steward Healthc Epidemiol 2024; 4:e71
Cipriani Michela, Schlegel Matthias, Schwark-Bähler Marianne, Henz Samuel, Kohler Philipp, Albrich Werner
SARS-CoV-2 immunity and reasons for non-vaccination among healthcare workers from eastern and northern Switzerland: results from a nested multicentre cross-sectional study.
Albrecht S, Grässli F, Cusini A, Brucher A, Goppel S, Betschon E, Möller J, Ortner M, Ruetti M, Stocker R, Vuichard-Gysin D, Besold U, Risch L, von Kietzell M, Schlegel M, Vernazza P, Kuster S, Kahlert C, Kohler P. SARS-CoV-2 immunity and reasons for non-vaccination among healthcare workers from eastern and northern Switzerland: results from a nested multicentre cross-sectional study. Swiss Med Wkly 2024; 154:3734.
Apr 13, 2024SARS-CoV-2 immunity and reasons for non-vaccination among healthcare workers from eastern and northern Switzerland: results from a nested multicentre cross-sectional study.
Apr 13, 2024Swiss Med Wkly 2024; 154:3734
Albrecht Selina, Grässli Fabian, Cusini Alexia, Brucher Angela, Goppel Stephan, Betschon Elsbeth, Möller J. Carsten, Ortner Manuela, Ruetti Markus, Stocker Reto, Vuichard-Gysin Danielle, Besold Ulrike, Risch Lorenz, von Kietzell Matthias, Schlegel Matthias, Vernazza Pietro L, Kuster Stefan, Kahlert Christian, Kohler Philipp
Healthcare‑associated infections in intensive care unit patients with and without COVID-19: a single center prospective surveillance study.
Bloch N, Rüfenacht S, Ludwinek M, Frick W, Kleger G, Schneider F, Albrich W, Flury D, Kuster S, Schlegel M, Kohler P. Healthcare‑associated infections in intensive care unit patients with and without COVID-19: a single center prospective surveillance study. Antimicrob Resist Infect Control 2023; 12:147.
Dec 18, 2023Healthcare‑associated infections in intensive care unit patients with and without COVID-19: a single center prospective surveillance study.
Dec 18, 2023Antimicrob Resist Infect Control 2023; 12:147
Bloch Nando, Rüfenacht Susanne, Ludwinek Magdalena, Frick Waldemar, Kleger Gian-Reto, Schneider Florian, Albrich Werner, Flury Domenica, Kuster Stefan, Schlegel Matthias, Kohler Philipp
Association between the introduction of a national targeted intervention program and the incidence of surgical site infections in Swiss acute care hospitals.
Eder M, Sommerstein R, Szelecsenyi A, Schweiger A, Schlegel M, Atkinson A, Kuster S, Vuichard-Gysin D, Troillet N, Widmer A. Association between the introduction of a national targeted intervention program and the incidence of surgical site infections in Swiss acute care hospitals. Antimicrob Resist Infect Control 2023; 12:134.
Nov 24, 2023Association between the introduction of a national targeted intervention program and the incidence of surgical site infections in Swiss acute care hospitals.
Nov 24, 2023Antimicrob Resist Infect Control 2023; 12:134
Eder Marcus, Sommerstein Rami, Szelecsenyi Arlette, Schweiger Alexander, Schlegel Matthias, Atkinson Andrew, Kuster Stefan, Vuichard-Gysin Danielle, Troillet Nicolas, Widmer Andreas F
Effective infection prevention and control measures in long-term care facilities in non-outbreak and outbreak settings: a systematic literature review.
Bloch N, Männer J, Gardiol C, Kohler P, Kuhn J, Münzer T, Schlegel M, Kuster S, Flury D. Effective infection prevention and control measures in long-term care facilities in non-outbreak and outbreak settings: a systematic literature review. Antimicrob Resist Infect Control 2023; 12:113.
Oct 18, 2023Effective infection prevention and control measures in long-term care facilities in non-outbreak and outbreak settings: a systematic literature review.
Oct 18, 2023Antimicrob Resist Infect Control 2023; 12:113
Bloch Nando, Männer Jasmin, Gardiol Céline, Kohler Philipp, Kuhn Jacqueline, Münzer Thomas, Schlegel Matthias, Kuster Stefan, Flury Domenica
Post-Acute Sequelae After Severe Acute Respiratory Syndrome Coronavirus 2 Infection by Viral Variant and Vaccination Status: A Multicenter Cross-Sectional Study.
Kahlert C, Strahm C, Güsewell S, Cusini A, Brucher A, Goppel S, Möller E, Möller J, Ortner M, Ruetti M, Stocker R, Vuichard-Gysin D, Besold U, McGeer A, Risch L, Friedl A, Schlegel M, Vernazza P, Kuster S, Kohler P, SURPRISE (SURveillance of infectious diseases among health PRofessionals In SwitzErland) Study Group. Post-Acute Sequelae After Severe Acute Respiratory Syndrome Coronavirus 2 Infection by Viral Variant and Vaccination Status: A Multicenter Cross-Sectional Study. Clin Infect Dis 2023; 77:194-202.
Jul 26, 2023Post-Acute Sequelae After Severe Acute Respiratory Syndrome Coronavirus 2 Infection by Viral Variant and Vaccination Status: A Multicenter Cross-Sectional Study.
Jul 26, 2023Clin Infect Dis 2023; 77:194-202
Kahlert Christian, Strahm Carol, Güsewell Sabine, Cusini Alexia, Brucher Angela, Goppel Stephan, Möller Elisabeth, Möller J. Carsten, Ortner Manuela, Ruetti Markus, Stocker Reto, Vuichard-Gysin Danielle, Besold Ulrike, McGeer Allison J, Risch Lorenz, Friedl Andree, Schlegel Matthias, Vernazza Pietro L, Kuster Stefan, Kohler Philipp, SURPRISE (SURveillance of infectious diseases among health PRofessionals In SwitzErland) Study Group
Clinical symptoms of SARS-CoV-2 breakthrough infection during the Omicron period in relation to baseline immune status and booster vaccination-A prospective multicentre cohort of health professionals (SURPRISE study).
Kohler P, Babouee Flury B, Güsewell S, Egger T, Leal-Neto O, Brucher A, Lemmenmeier E, Meier Kleeb D, Möller J, Ortner M, Rieder P, Ruetti M, Schmid H, Stocker R, Vuichard-Gysin D, Speer O, Wiggli B, Besold U, McGeer A, Risch L, Friedl A, Schlegel M, Vernazza P, Kahlert C, Kuster S, SURPRISE Study Group. Clinical symptoms of SARS-CoV-2 breakthrough infection during the Omicron period in relation to baseline immune status and booster vaccination-A prospective multicentre cohort of health professionals (SURPRISE study). Influenza Other Respir Viruses 2023; 17:e13167.
Jun 19, 2023Clinical symptoms of SARS-CoV-2 breakthrough infection during the Omicron period in relation to baseline immune status and booster vaccination-A prospective multicentre cohort of health professionals (SURPRISE study).
Jun 19, 2023Influenza Other Respir Viruses 2023; 17:e13167
Kohler Philipp, Babouee Flury Baharak, Güsewell Sabine, Egger Thomas, Leal-Neto Onicio B, Brucher Angela, Lemmenmeier Eva, Meier Kleeb Dorette, Möller J. Carsten, Ortner Manuela, Rieder Philippe, Ruetti Markus, Schmid Hans Ruedi, Stocker Reto, Vuichard-Gysin Danielle, Speer Oliver, Wiggli Benedikt, Besold Ulrike, McGeer Allison J, Risch Lorenz, Friedl Andree, Schlegel Matthias, Vernazza Pietro L, Kahlert Christian, Kuster Stefan, SURPRISE Study Group
COVID-19 burden and influencing factors in Swiss long-term-care facilities: a cross-sectional analysis of a multicentre observational cohort.
Scanferla G, Héquet D, Graf N, Münzer T, Kessler S, Kohler P, Nussbaumer A, Petignat C, Schlegel M, Flury D. COVID-19 burden and influencing factors in Swiss long-term-care facilities: a cross-sectional analysis of a multicentre observational cohort. Swiss Med Wkly 2023; 153:40052.
Mar 31, 2023COVID-19 burden and influencing factors in Swiss long-term-care facilities: a cross-sectional analysis of a multicentre observational cohort.
Mar 31, 2023Swiss Med Wkly 2023; 153:40052
Scanferla Giulia, Héquet Delphine, Graf Nicole, Münzer Thomas, Kessler Simone, Kohler Philipp, Nussbaumer Andres, Petignat Christiane, Schlegel Matthias, Flury Domenica
Impact of the coronavirus disease 2019 (COVID-19) pandemic on the adherence to hand hygiene practice in hospitals-Data from a Swiss national surveillance system.
Rüfenacht S, Kohler P, Kuhn R, Flury D, Widmer A, Schlegel M. Impact of the coronavirus disease 2019 (COVID-19) pandemic on the adherence to hand hygiene practice in hospitals-Data from a Swiss national surveillance system. Infect Control Hosp Epidemiol 2023:1-4.
Jan 10, 2023Impact of the coronavirus disease 2019 (COVID-19) pandemic on the adherence to hand hygiene practice in hospitals-Data from a Swiss national surveillance system.
Jan 10, 2023Infect Control Hosp Epidemiol 2023:1-4
Rüfenacht Susanne, Kohler Philipp, Kuhn Rolf, Flury Domenica, Widmer Andreas F, Schlegel Matthias
Outbreak investigation including molecular characterization of community associated methicillin-resistant Staphylococcus aureus in a primary and secondary school in Eastern Switzerland.
Waldeck F, Seiffert S, Manser S, Zemp D, Walt A, Berger C, Albrich W, Schlegel M, Roloff T, Egli A, Nolte O, Kahlert C. Outbreak investigation including molecular characterization of community associated methicillin-resistant Staphylococcus aureus in a primary and secondary school in Eastern Switzerland. Sci Rep 2022; 12:19826.
Nov 18, 2022Outbreak investigation including molecular characterization of community associated methicillin-resistant Staphylococcus aureus in a primary and secondary school in Eastern Switzerland.
Nov 18, 2022Sci Rep 2022; 12:19826
Waldeck Frederike, Seiffert Salome N, Manser Susanne, Zemp Danuta, Walt Angela, Berger Christoph T, Albrich Werner, Schlegel Matthias, Roloff Tim, Egli Adrian, Nolte Oliver, Kahlert Christian
Risk and symptoms of COVID-19 in health professionals according to baseline immune status and booster vaccination during the Delta and Omicron waves in Switzerland-A multicentre cohort study.
Babouee Flury B, Güsewell S, Egger T, Leal O, Brucher A, Lemmenmeier E, Meier Kleeb D, Möller J, Rieder P, Rütti M, Schmid H, Stocker R, Vuichard-Gysin D, Wiggli B, Besold U, McGeer A, Risch L, Friedl A, Schlegel M, Kuster S, Kahlert C, Kohler P, SURPRISE Study Group. Risk and symptoms of COVID-19 in health professionals according to baseline immune status and booster vaccination during the Delta and Omicron waves in Switzerland-A multicentre cohort study. PLoS Med 2022; 19:e1004125.
Nov 7, 2022Risk and symptoms of COVID-19 in health professionals according to baseline immune status and booster vaccination during the Delta and Omicron waves in Switzerland-A multicentre cohort study.
Nov 7, 2022PLoS Med 2022; 19:e1004125
Babouee Flury Baharak, Güsewell Sabine, Egger Thomas, Leal Onicio, Brucher Angela, Lemmenmeier Eva, Meier Kleeb Dorette, Möller J Carsten, Rieder Philip, Rütti Markus, Schmid Hans-Ruedi, Stocker Reto, Vuichard-Gysin Danielle, Wiggli Benedikt, Besold Ulrike, McGeer Allison, Risch Lorenz, Friedl Andree, Schlegel Matthias, Kuster Stefan, Kahlert Christian, Kohler Philipp, SURPRISE Study Group
Symptoms Compatible With Long Coronavirus Disease (COVID) in Healthcare Workers With and Without Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Infection-Results of a Prospective Multicenter Cohort.
Strahm C, Seneghini M, Güsewell S, Egger T, Leal-Neto O, Brucher A, Lemmenmeier E, Meier Kleeb D, Möller J, Rieder P, Ruetti M, Rutz R, Schmid H, Stocker R, Vuichard-Gysin D, Wiggli B, Besold U, Kuster S, McGeer A, Risch L, Friedl A, Schlegel M, Schmid D, Vernazza P, Kahlert C, Kohler P. Symptoms Compatible With Long Coronavirus Disease (COVID) in Healthcare Workers With and Without Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Infection-Results of a Prospective Multicenter Cohort. Clin Infect Dis 2022; 75:e1011-e1019-9.
Aug 24, 2022Symptoms Compatible With Long Coronavirus Disease (COVID) in Healthcare Workers With and Without Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Infection-Results of a Prospective Multicenter Cohort.
Aug 24, 2022Clin Infect Dis 2022; 75:e1011-e1019-9
Strahm Carol, Seneghini Marco, Güsewell Sabine, Egger Thomas, Leal-Neto Onicio, Brucher Angela, Lemmenmeier Eva, Meier Kleeb Dorette, Möller J Carsten, Rieder Philip, Ruetti Markus, Rutz Remus, Schmid Hans Ruedi, Stocker Reto, Vuichard-Gysin Danielle, Wiggli Benedikt, Besold Ulrike, Kuster Stefan, McGeer Allison, Risch Lorenz, Friedl Andree, Schlegel Matthias, Schmid Dagmar, Vernazza Pietro, Kahlert Christian, Kohler Philipp
Implementation of an electronic, secure, web-based application to support routine hand hygiene observation with immediate direct feedback and anonymized benchmarking.
Simonet S, Marschall J, Kuhn R, Schlegel M, Kahlert C. Implementation of an electronic, secure, web-based application to support routine hand hygiene observation with immediate direct feedback and anonymized benchmarking. Am J Infect Control 2022
May 7, 2022Implementation of an electronic, secure, web-based application to support routine hand hygiene observation with immediate direct feedback and anonymized benchmarking.
May 7, 2022Am J Infect Control 2022
Simonet Simon, Marschall Jonas, Kuhn Rolf, Schlegel Matthias, Kahlert Christian
Ward-level risk factors associated with nosocomial coronavirus disease 2019 (COVID-19) outbreaks: A matched case-control study.
Thoma R, Kohler P, Haller S, Männer J, Schlegel M, Flury D. Ward-level risk factors associated with nosocomial coronavirus disease 2019 (COVID-19) outbreaks: A matched case-control study. Antimicrob Steward Healthc Epidemiol 2022; 2:e49.
Mar 25, 2022Ward-level risk factors associated with nosocomial coronavirus disease 2019 (COVID-19) outbreaks: A matched case-control study.
Mar 25, 2022Antimicrob Steward Healthc Epidemiol 2022; 2:e49
Thoma Reto, Kohler Philipp, Haller Sabine, Männer Jasmin, Schlegel Matthias, Flury Domenica
It is complicated: Potential short- and long-term impact of coronavirus disease 2019 (COVID-19) on antimicrobial resistance—An expert review
Seneghini M, Rüfenacht S, Babouee Flury B, Flury D, Schlegel M, Kuster S, Kohler P. It is complicated: Potential short- and long-term impact of coronavirus disease 2019 (COVID-19) on antimicrobial resistance—An expert review. Antimicrobial Stewardship & Healthcare Epidemiology 2022
Feb 23, 2022It is complicated: Potential short- and long-term impact of coronavirus disease 2019 (COVID-19) on antimicrobial resistance—An expert review
Feb 23, 2022Antimicrobial Stewardship & Healthcare Epidemiology 2022
Seneghini Marco, Rüfenacht Susanne, Babouee Flury Baharak, Flury Domenica, Schlegel Matthias, Kuster Stefan, Kohler Philipp
It is complicated: Potential short- and long-term impact of coronavirus disease 2019 (COVID-19) on antimicrobial resistance-An expert review.
Seneghini M, Rüfenacht S, Babouee Flury B, Flury D, Schlegel M, Kuster S, Kohler P. It is complicated: Potential short- and long-term impact of coronavirus disease 2019 (COVID-19) on antimicrobial resistance-An expert review. Antimicrob Steward Healthc Epidemiol 2022; 2:e27.
Feb 18, 2022It is complicated: Potential short- and long-term impact of coronavirus disease 2019 (COVID-19) on antimicrobial resistance-An expert review.
Feb 18, 2022Antimicrob Steward Healthc Epidemiol 2022; 2:e27
Seneghini Marco, Rüfenacht Susanne, Babouee Flury Baharak, Flury Domenica, Schlegel Matthias, Kuster Stefan, Kohler Philipp