PD Dr. med. Christian Kahlert
Oberarzt mbF Infektiologie und Spitalhygiene am Kantonsspital St. Gallen, und Leitender Arzt und Leiter der Infektiologie und Spitalhygiene am Ostschweizer Kinderpital
Oberarzt mbF/Oberärztin mbF
Infektiologie | Infektionsprävention | Reisemedizin · Dept. I
Fluorescent Probe for the pH-Independent Rapid and Sensitive Direct Detection of Urease-Producing Bacteria.
Albrich W, Kahlert C, Nigg S, Boesel L, Giovannini G. Fluorescent Probe for the pH-Independent Rapid and Sensitive Direct Detection of Urease-Producing Bacteria. Anal Chem 2024
16.12.2024Fluorescent Probe for the pH-Independent Rapid and Sensitive Direct Detection of Urease-Producing Bacteria.
16.12.2024Anal Chem 2024
Albrich Werner, Kahlert Christian, Nigg Susanne, Boesel Luciano F, Giovannini Giorgia
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
12.11.2024Burden of post-acute COVID-19 sequelae in healthcare workers and its course over a 30-month period-results from a prospective multicentre cohort.
12.11.2024Infection 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.
26.09.2024Colonization with resistant bacteria in hospital employees: an epidemiological surveillance and typing study.
26.09.2024Antimicrob 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
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
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.
13.04.2024SARS-CoV-2 immunity and reasons for non-vaccination among healthcare workers from eastern and northern Switzerland: results from a nested multicentre cross-sectional study.
13.04.2024Swiss 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
Impact of shift work and other work-related factors on anti-SARS-CoV-2 spike-protein serum concentrations in healthcare workers after primary mRNA vaccination - a retrospective cohort study.
Menghini G, Thurnheer R, Kahlert C, Kohler P, Grässli F, Stocker R, Battegay M, Vuichard-Gysin D. Impact of shift work and other work-related factors on anti-SARS-CoV-2 spike-protein serum concentrations in healthcare workers after primary mRNA vaccination - a retrospective cohort study. Swiss Med Wkly 2024; 154:3708.
27.03.2024Impact of shift work and other work-related factors on anti-SARS-CoV-2 spike-protein serum concentrations in healthcare workers after primary mRNA vaccination - a retrospective cohort study.
27.03.2024Swiss Med Wkly 2024; 154:3708
Menghini Gianluca Mauro, Thurnheer Robert, Kahlert Christian, Kohler Philipp, Grässli Fabian, Stocker Reto, Battegay Manuel, Vuichard-Gysin Danielle
S-Gene Target Failure as an Effective Tool for Tracking the Emergence of Dominant SARS-CoV-2 Variants in Switzerland and Liechtenstein, Including Alpha, Delta, and Omicron BA.1, BA.2, and BA.4/BA.5.
Hilti D, Wehrli F, Berchtold S, Bigler S, Bodmer T, Seth-Smith H, Roloff T, Kohler P, Kahlert C, Kaiser L, Egli A, Risch L, Risch M, Wohlwend N. S-Gene Target Failure as an Effective Tool for Tracking the Emergence of Dominant SARS-CoV-2 Variants in Switzerland and Liechtenstein, Including Alpha, Delta, and Omicron BA.1, BA.2, and BA.4/BA.5. Microorganisms 2024; 12
03.02.2024S-Gene Target Failure as an Effective Tool for Tracking the Emergence of Dominant SARS-CoV-2 Variants in Switzerland and Liechtenstein, Including Alpha, Delta, and Omicron BA.1, BA.2, and BA.4/BA.5.
03.02.2024Microorganisms 2024; 12
Hilti Dominique, Wehrli Faina, Berchtold Sabine, Bigler Susanna, Bodmer Thomas, Seth-Smith Helena M B, Roloff Tim, Kohler Philipp, Kahlert Christian, Kaiser Laurent, Egli Adrian, Risch Lorenz, Risch Martin, Wohlwend Nadia
Evolution of symptoms compatible with post-acute sequelae of SARS-CoV-2 (PASC) after Wild-type and/or Omicron BA.1 infection: A prospective healthcare worker cohort.
Strahm C, Kahlert C, Güsewell S, Vuichard-Gysin D, Stocker R, Kuster S, Kohler P. Evolution of symptoms compatible with post-acute sequelae of SARS-CoV-2 (PASC) after Wild-type and/or Omicron BA.1 infection: A prospective healthcare worker cohort. J Infect 2023
07.12.2023Evolution of symptoms compatible with post-acute sequelae of SARS-CoV-2 (PASC) after Wild-type and/or Omicron BA.1 infection: A prospective healthcare worker cohort.
07.12.2023J Infect 2023
Strahm Carol, Kahlert Christian, Güsewell Sabine, Vuichard-Gysin Danielle, Stocker Reto, Kuster Stefan, Kohler Philipp
Autoreactive T cells targeting type II pneumocyte antigens in COVID-19 convalescent patients.
Lichtensteiger C, Koblischke M, Berner F, Jochum A, Sinnberg T, Balciunaite B, Purde M, Walter V, Abdou M, Hofmeister K, Kohler P, Vernazza P, Albrich W, Kahlert C, Zoufaly A, Traugott M, Kern L, Pietsch U, Kleger G, Filipovic M, Kneilling M, Cozzio A, Pop O, Bomze D, Bergthaler A, Hasan A, Aberle J, Flatz L. Autoreactive T cells targeting type II pneumocyte antigens in COVID-19 convalescent patients. J Autoimmun 2023; 140:103118.
10.10.2023Autoreactive T cells targeting type II pneumocyte antigens in COVID-19 convalescent patients.
10.10.2023J Autoimmun 2023; 140:103118
Lichtensteiger Christa, Koblischke Maximilian, Berner Fiamma, Jochum Ann-Kristin, Sinnberg Tobias, Balciunaite Beatrice, Purde Mette-Triin, Walter Vincent, Abdou Marie-Therese, Hofmeister Kathrin, Kohler Philipp, Vernazza Pietro L, Albrich Werner, Kahlert Christian, Zoufaly Alexander, Traugott Marianna T, Kern Lukas, Pietsch Urs, Kleger Gian-Reto, Filipovic Miodrag, Kneilling Manfred, Cozzio Antonio, Pop Oltin, Bomze David, Bergthaler Andreas, Hasan Ali, Aberle Judith, Flatz Lukas
Association between perioperative prophylaxis with cefuroxime plus metronidazole or amoxicillin/clavulanic acid and surgical site infections in paediatric uncomplicated appendectomy: a Swiss retrospective cohort study.
Bielicki I, Schmid H, Atkinson A, Kahlert C, Berger C, Troillet N, Marschall J, Bielicki J, Swissnoso. Association between perioperative prophylaxis with cefuroxime plus metronidazole or amoxicillin/clavulanic acid and surgical site infections in paediatric uncomplicated appendectomy: a Swiss retrospective cohort study. Antimicrob Resist Infect Control 2023; 12:106.
25.09.2023Association between perioperative prophylaxis with cefuroxime plus metronidazole or amoxicillin/clavulanic acid and surgical site infections in paediatric uncomplicated appendectomy: a Swiss retrospective cohort study.
25.09.2023Antimicrob Resist Infect Control 2023; 12:106
Bielicki Isabella, Schmid Hanna, Atkinson Andrew, Kahlert Christian, Berger Christoph T, Troillet Nicolas, Marschall Jonas, Bielicki Julia, Swissnoso
Interplay of Digital Proximity App Use and SARS-CoV-2 Vaccine Uptake in Switzerland: Analysis of Two Population-Based Cohort Studies.
Daniore P, Moser A, Höglinger M, Probst-Hensch N, Imboden M, Vermes T, Keidel D, Bochud M, Ortega Herrero N, Baggio S, Chocano-Bedoya P, Rodondi N, Tancredi S, Wagner C, Cullati S, Stringhini S, Nusslé S, Veys-Takeuchi C, Zuppinger C, Harju E, Michel G, Frank I, Kahlert C, Albanese E, Crivelli L, Levati S, Amati R, Kaufmann M, Geigges M, Ballouz T, Frei A, Fehr J, von Wyl V. Interplay of Digital Proximity App Use and SARS-CoV-2 Vaccine Uptake in Switzerland: Analysis of Two Population-Based Cohort Studies. Int J Public Health 2023; 68:1605812.
20.09.2023Interplay of Digital Proximity App Use and SARS-CoV-2 Vaccine Uptake in Switzerland: Analysis of Two Population-Based Cohort Studies.
20.09.2023Int J Public Health 2023; 68:1605812
Daniore Paola, Moser André, Höglinger Marc, Probst-Hensch Nicole M, Imboden Medea, Vermes Thomas, Keidel Dirk, Bochud Murielle, Ortega Herrero Natalia, Baggio Stéphanie, Chocano-Bedoya Patricia O, Rodondi Nicolas, Tancredi Stefano, Wagner Cornelia, Cullati Stéphane, Stringhini Silvia, Nusslé Semira Gonseth, Veys-Takeuchi Caroline, Zuppinger Claire, Harju Erika, Michel Gisela, Frank Irène, Kahlert Christian, Albanese Emiliano, Crivelli Luca, Levati Sara, Amati Rebecca, Kaufmann Marco, Geigges Marco, Ballouz Tala, Frei Anja, Fehr Jan S, von Wyl Viktor
Association of a Polygenic Risk Score With Osteoporosis in People Living With HIV: The Swiss HIV Cohort Study.
Schwenke J, Thorball C, Schoepf I, Ryom L, Hasse B, Lamy O, Calmy A, Wandeler G, Marzolini C, Kahlert C, Bernasconi E, Kouyos R, Günthard H, Ledergerber B, Fellay J, Burkhalter F, Tarr P, Swiss HIV Cohort Study S. Association of a Polygenic Risk Score With Osteoporosis in People Living With HIV: The Swiss HIV Cohort Study. J Infect Dis 2023; 228:742-750.
15.09.2023Association of a Polygenic Risk Score With Osteoporosis in People Living With HIV: The Swiss HIV Cohort Study.
15.09.2023J Infect Dis 2023; 228:742-750
Schwenke Johannes M, Thorball Christian Wandell, Schoepf Isabella C, Ryom Lene, Hasse Barbara, Lamy Olivier, Calmy Alexandra, Wandeler Gilles, Marzolini Catia, Kahlert Christian, Bernasconi Enos, Kouyos Roger D, Günthard Huldyrich F, Ledergerber Bruno, Fellay Jacques, Burkhalter Felix, Tarr Philip X00a0 E, Swiss HIV Cohort Study SHCS
Reply to Zeng and Zhou.
Kahlert C, Kuster S, Kohler P. Reply to Zeng and Zhou. Clin Infect Dis 2023; 77:800.
11.09.2023Reply to Zeng and Zhou.
11.09.2023Clin Infect Dis 2023; 77:800
Kahlert Christian, Kuster Stefan, Kohler Philipp
SARS-CoV-2 risk in household contacts of healthcare workers: a prospective cohort study.
Kohler P, Dörr T, Friedl A, Stocker R, Vuichard-Gysin D, Kuster S, Kahlert C, SURPRISE Study Group. SARS-CoV-2 risk in household contacts of healthcare workers: a prospective cohort study. Antimicrob Resist Infect Control 2023; 12:98.
08.09.2023SARS-CoV-2 risk in household contacts of healthcare workers: a prospective cohort study.
08.09.2023Antimicrob Resist Infect Control 2023; 12:98
Kohler Philipp, Dörr Tamara, Friedl Andree, Stocker Reto, Vuichard-Gysin Danielle, Kuster Stefan, Kahlert Christian, SURPRISE Study Group
Changes in Healthcare Utilization During the COVID-19 Pandemic and Potential Causes-A Cohort Study From Switzerland.
Harju E, Speierer A, Jungo K, Levati S, Baggio S, Tancredi S, Noor N, Rodondi P, Cullati S, Imboden M, Keidel D, Witzig M, Frank I, Kohler P, Kahlert C, Crivelli L, Amati R, Albanese E, Kaufmann M, Frei A, von Wyl V, Puhan M, Probst-Hensch N, Michel G, Rodondi N, Chocano-Bedoya P. Changes in Healthcare Utilization During the COVID-19 Pandemic and Potential Causes-A Cohort Study From Switzerland. Int J Public Health 2023; 68:1606010.
26.07.2023Changes in Healthcare Utilization During the COVID-19 Pandemic and Potential Causes-A Cohort Study From Switzerland.
26.07.2023Int J Public Health 2023; 68:1606010
Harju Erika, Speierer Alexandre, Jungo Katharina Tabea, Levati Sara, Baggio Stéphanie, Tancredi Stefano, Noor Nazihah, Rodondi Pierre-Yves, Cullati Stéphane, Imboden Medea, Keidel Dirk, Witzig Melissa, Frank Irène, Kohler Philipp, Kahlert Christian, Crivelli Luca, Amati Rebecca, Albanese Emiliano, Kaufmann Marco, Frei Anja, von Wyl Viktor, Puhan Milo Alan, Probst-Hensch Nicole M, Michel Gisela, Rodondi Nicolas, Chocano-Bedoya Patricia O
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
Humoral and cellular BNT162b2 mRNA-based booster vaccine-induced immunity in patients with multiple myeloma and persistence of neutralising antibodies: results of a prospective single-centre cohort study.
Silzle T, Kahlert C, Albrich W, Nigg S, Demmer-Steingruber R, Driessen C, Fischer S. Humoral and cellular BNT162b2 mRNA-based booster vaccine-induced immunity in patients with multiple myeloma and persistence of neutralising antibodies: results of a prospective single-centre cohort study. Swiss Med Wkly 2023; 153:40090.
15.06.2023Humoral and cellular BNT162b2 mRNA-based booster vaccine-induced immunity in patients with multiple myeloma and persistence of neutralising antibodies: results of a prospective single-centre cohort study.
15.06.2023Swiss Med Wkly 2023; 153:40090
Silzle Tobias, Kahlert Christian, Albrich Werner, Nigg Susanne, Demmer-Steingruber Ruth, Driessen Christoph, Fischer Stefanie
Viral suppression and retention in HIV care during the postpartum period among women living with HIV: a longitudinal multicenter cohort study.
Paioni P, Aebi-Popp K, Martinez de Tejada B, Rudin C, Bernasconi E, Braun D, Kouyos R, Wagner N, Crisinel P, Güsewell S, Darling K, Duppenthaler A, Baumann M, Polli C, Fischer T, Kahlert C, Swiss HIV Cohort Study (SHCS) and the Swiss Mother and Child HIV Cohort Study (MoCHiV). Viral suppression and retention in HIV care during the postpartum period among women living with HIV: a longitudinal multicenter cohort study. Lancet Reg Health Eur 2023; 31:100656.
01.06.2023Viral suppression and retention in HIV care during the postpartum period among women living with HIV: a longitudinal multicenter cohort study.
01.06.2023Lancet Reg Health Eur 2023; 31:100656
Paioni Paolo, Aebi-Popp Karoline, Martinez de Tejada Begoña, Rudin Christoph, Bernasconi Enos, Braun Dominique Laurent, Kouyos Roger D, Wagner Noémie, Crisinel Pierre-Alex, Güsewell Sabine, Darling Katharine Elizabeth Anna, Duppenthaler Andrea, Baumann Marc, Polli Christian, Fischer Tina, Kahlert Christian, Swiss HIV Cohort Study (SHCS) and the Swiss Mother and Child HIV Cohort Study (MoCHiV)
Migrating a Well-Established Longitudinal Cohort Database From Oracle SQL to Research Electronic Data Entry (REDCap): Data Management Research and Design Study.
Kusejko K, Smith D, Scherrer A, Paioni P, Kohns Vasconcelos M, Aebi-Popp K, Kouyos R, Günthard H, Kahlert C, Swiss HIV Cohort Study and the Swiss Mother and Child HIV Cohort Study. Migrating a Well-Established Longitudinal Cohort Database From Oracle SQL to Research Electronic Data Entry (REDCap): Data Management Research and Design Study. JMIR Form Res 2023; 7:e44567.
31.05.2023Migrating a Well-Established Longitudinal Cohort Database From Oracle SQL to Research Electronic Data Entry (REDCap): Data Management Research and Design Study.
31.05.2023JMIR Form Res 2023; 7:e44567
Kusejko Katharina, Smith Daniel, Scherrer Alexandra U, Paioni Paolo, Kohns Vasconcelos Malte, Aebi-Popp Karoline, Kouyos Roger D, Günthard Huldyrich F, Kahlert Christian, Swiss HIV Cohort Study and the Swiss Mother and Child HIV Cohort Study