Dr. med. Matthias Schlegel
Infektiologie | Infektionsprävention | Reisemedizin · Dept. I
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.
18.06.2024Association 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.
18.06.2024Antimicrob 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.
01.06.2024SARS-CoV-2 Vaccination is Not Associated With Involuntary Childlessness in Female Healthcare Workers: A Multicenter Cohort Study.
01.06.2024Influenza 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
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.
18.12.2023Healthcare‑associated infections in intensive care unit patients with and without COVID-19: a single center prospective surveillance study.
18.12.2023Antimicrob 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.
24.11.2023Association between the introduction of a national targeted intervention program and the incidence of surgical site infections in Swiss acute care hospitals.
24.11.2023Antimicrob 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.
18.10.2023Effective infection prevention and control measures in long-term care facilities in non-outbreak and outbreak settings: a systematic literature review.
18.10.2023Antimicrob 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.
26.07.2023Post-Acute Sequelae After Severe Acute Respiratory Syndrome Coronavirus 2 Infection by Viral Variant and Vaccination Status: A Multicenter Cross-Sectional Study.
26.07.2023Clin 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.
19.06.2023Clinical 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).
19.06.2023Influenza 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.
31.03.2023COVID-19 burden and influencing factors in Swiss long-term-care facilities: a cross-sectional analysis of a multicentre observational cohort.
31.03.2023Swiss 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.
10.01.2023Impact of the coronavirus disease 2019 (COVID-19) pandemic on the adherence to hand hygiene practice in hospitals-Data from a Swiss national surveillance system.
10.01.2023Infect 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.
18.11.2022Outbreak investigation including molecular characterization of community associated methicillin-resistant Staphylococcus aureus in a primary and secondary school in Eastern Switzerland.
18.11.2022Sci 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.
07.11.2022Risk 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.
07.11.2022PLoS 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.
24.08.2022Symptoms 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.
24.08.2022Clin 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
07.05.2022Implementation of an electronic, secure, web-based application to support routine hand hygiene observation with immediate direct feedback and anonymized benchmarking.
07.05.2022Am 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.
25.03.2022Ward-level risk factors associated with nosocomial coronavirus disease 2019 (COVID-19) outbreaks: A matched case-control study.
25.03.2022Antimicrob 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
23.02.2022It is complicated: Potential short- and long-term impact of coronavirus disease 2019 (COVID-19) on antimicrobial resistance—An expert review
23.02.2022Antimicrobial 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.
18.02.2022It is complicated: Potential short- and long-term impact of coronavirus disease 2019 (COVID-19) on antimicrobial resistance-An expert review.
18.02.2022Antimicrob Steward Healthc Epidemiol 2022; 2:e27
Seneghini Marco, Rüfenacht Susanne, Babouee Flury Baharak, Flury Domenica, Schlegel Matthias, Kuster Stefan, Kohler Philipp
Safety Evaluation of a Medical Congress Held During the COVID-19 Pandemic-A Prospective Cohort
Sumer J, Schlegel M, Vernazza P, Seneghini M, Nigg S, Risch L, Mueller N, Kahlert C, Flury D, Kohler P. Safety Evaluation of a Medical Congress Held During the COVID-19 Pandemic-A Prospective Cohort. Int J Public Health 2022; 67:1604147.
16.02.2022Safety Evaluation of a Medical Congress Held During the COVID-19 Pandemic-A Prospective Cohort
16.02.2022Int J Public Health 2022; 67:1604147
Sumer Johannes, Schlegel Matthias, Vernazza Pietro, Seneghini Marco, Nigg Susanne, Risch Lorenz, Mueller Nicolas J, Kahlert Christian, Flury Domenica, Kohler Philipp
Providing care to patients in contact isolation: is the systematic use of gloves still indicated?
Bellini C, Eder M, Senn L, Sommerstein R, Vuichard-Gysin D, Schmiedel Y, Schlegel M, Harbarth S, Troillet N. Providing care to patients in contact isolation: is the systematic use of gloves still indicated?. Swiss Med Wkly 2022; 152:w30110.
07.02.2022Providing care to patients in contact isolation: is the systematic use of gloves still indicated?
07.02.2022Swiss Med Wkly 2022; 152:w30110
Bellini Cristina, Eder Marcus, Senn Laurence, Sommerstein Rami, Vuichard-Gysin Danielle, Schmiedel Yvonne, Schlegel Matthias, Harbarth Stephan, Troillet Nicolas
Impact of respirator versus surgical masks on SARS-CoV-2 acquisition in healthcare workers: a prospective multicentre cohort
Haller S, Vuichard-Gysin D, Wiggli B, Besold U, Kuster S, McGeer A, Risch L, Schlegel M, Friedl A, Vernazza P, Kahlert C, Stocker R, Rütti M, Güsewell S, Egger T, Scanferla G, Thoma R, Leal-Neto O, Flury D, Brucher A, Lemmenmeier E, Möller J, Rieder P, Kohler P. Impact of respirator versus surgical masks on SARS-CoV-2 acquisition in healthcare workers: a prospective multicentre cohort. Antimicrob Resist Infect Control 2022; 11:27.
05.02.2022Impact of respirator versus surgical masks on SARS-CoV-2 acquisition in healthcare workers: a prospective multicentre cohort
05.02.2022Antimicrob Resist Infect Control 2022; 11:27
Haller Sabine, Vuichard-Gysin Danielle, Wiggli Benedikt, Besold Ulrike, Kuster Stefan, McGeer Allison, Risch Lorenz, Schlegel Matthias, Friedl Andree, Vernazza Pietro, Kahlert Christian, Stocker Reto, Rütti Markus, Güsewell Sabine, Egger Thomas, Scanferla Giulia, Thoma Reto, Leal-Neto Onicio B, Flury Domenica, Brucher Angela, Lemmenmeier Eva, Möller J Carsten, Rieder Philip, Kohler Philipp
High adherence to national IPC guidelines as key to sustainable VRE control in Swiss hospitals: a cross-sectional survey.
Vuichard-Gysin D, Sommerstein R, Kronenberg A, Buetti N, Eder M, Piezzi V, Gardiol C, Schlegel M, Harbarth S, Widmer A. High adherence to national IPC guidelines as key to sustainable VRE control in Swiss hospitals: a cross-sectional survey. Antimicrob Resist Infect Control 2022; 11:19.
28.01.2022High adherence to national IPC guidelines as key to sustainable VRE control in Swiss hospitals: a cross-sectional survey.
28.01.2022Antimicrob Resist Infect Control 2022; 11:19
Vuichard-Gysin Danielle, Sommerstein Rami, Kronenberg Andreas, Buetti Niccolo, Eder Marcus, Piezzi Vanja, Gardiol Céline, Schlegel Matthias, Harbarth Stephan, Widmer Andreas