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Authors: James A Karlowsky
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Journal Article

Comparing serotype coverage of pneumococcal vaccines with PCV21 (V116), a new 21-valent conjugate pneumococcal vaccine, and the epidemiology of its eight unique Streptococcus pneumoniae serotypes (15A, 15C, 16F, 23A, 23B, 24F, 31 and 35B) causing invasive pneumococcal disease in adult patients in Canada: SAVE study, 2018–21 Open Access

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John J Schellenberg and others
Journal of Antimicrobial Chemotherapy, Volume 80, Issue 5, May 2025, Pages 1377–1385, https://doi.org/10.1093/jac/dkaf085
Published: 25 March 2025
Journal Article

Cefepime–taniborbactam activity against antimicrobial-resistant clinical isolates of Enterobacterales and Pseudomonas aeruginosa: GEARS global surveillance programme 2018–22 Open Access

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James A Karlowsky and others
Journal of Antimicrobial Chemotherapy, Volume 79, Issue 12, December 2024, Pages 3116–3131, https://doi.org/10.1093/jac/dkae329
Published: 17 September 2024
Journal Article

Phenotypic and molecular characterization of Streptococcus pneumoniae serotype 3 isolates from blood and respiratory samples in Canada: CANWARD 2007–21 Open Access

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John J Schellenberg and others
Journal of Antimicrobial Chemotherapy, Volume 79, Issue 10, October 2024, Pages 2653–2661, https://doi.org/10.1093/jac/dkae272
Published: 02 August 2024
Journal Article

Activity of ceftolozane/tazobactam and imipenem/relebactam against Gram-negative clinical isolates collected in Mexico—SMART 2017–2021 Open Access

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James A Karlowsky and others
JAC-Antimicrobial Resistance, Volume 6, Issue 3, June 2024, dlae077, https://doi.org/10.1093/jacamr/dlae077
Published: 24 May 2024
Journal Article

Activity of ceftolozane/tazobactam, imipenem/relebactam and ceftazidime/avibactam against clinical Gram-negative isolates—SMART United States 2019–21 Open Access

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James A Karlowsky and others
JAC-Antimicrobial Resistance, Volume 6, Issue 1, February 2024, dlad152, https://doi.org/10.1093/jacamr/dlad152
Published: 12 January 2024
Journal Article

Susceptibility of Gram-negative isolates collected in South Korea to imipenem/relebactam and comparator agents—SMART 2018–21 Open Access

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James A Karlowsky and others
JAC-Antimicrobial Resistance, Volume 6, Issue 1, February 2024, dlad149, https://doi.org/10.1093/jacamr/dlad149
Published: 28 December 2023
Journal Article

Activity of ceftolozane/tazobactam and imipenem/relebactam against clinical isolates of Enterobacterales and Pseudomonas aeruginosa collected in central and northern Europe (Belgium, Norway, Sweden, Switzerland)—SMART 2017–21 Open Access

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James A Karlowsky and others
JAC-Antimicrobial Resistance, Volume 5, Issue 4, August 2023, dlad098, https://doi.org/10.1093/jacamr/dlad098
Published: 11 August 2023
Journal Article

Susceptibility profile and β-lactamase content of global Pseudomonas aeruginosa isolates resistant to ceftolozane/tazobactam and/or imipenem/relebactam—SMART 2016–21 Open Access

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James A Karlowsky and others
JAC-Antimicrobial Resistance, Volume 5, Issue 3, June 2023, dlad080, https://doi.org/10.1093/jacamr/dlad080
Published: 28 June 2023
Journal Article

Analysis of MDR in the predominant Streptococcus pneumoniae serotypes in Canada: the SAVE study, 2011–2020 Free

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Heather J Adam and others
Journal of Antimicrobial Chemotherapy, Volume 78, Issue Supplement_1, May 2023, Pages i17–i25, https://doi.org/10.1093/jac/dkad066
Published: 03 May 2023
Journal Article

Genomic investigation of the most common Streptococcus pneumoniae serotypes causing invasive infections in Canada: the SAVE study, 2011–2020 Free

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Alyssa R Golden and others
Journal of Antimicrobial Chemotherapy, Volume 78, Issue Supplement_1, May 2023, Pages i26–i36, https://doi.org/10.1093/jac/dkad067
Published: 03 May 2023
Journal Article

Comparison of PCV10, PCV13, PCV15, PCV20 and PPSV23 vaccine coverage of invasive Streptococcus pneumoniae isolate serotypes in Canada: the SAVE study, 2011–20 Free

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John J Schellenberg and others
Journal of Antimicrobial Chemotherapy, Volume 78, Issue Supplement_1, May 2023, Pages i37–i47, https://doi.org/10.1093/jac/dkad068
Published: 03 May 2023
Journal Article

Antimicrobial susceptibility testing of invasive isolates of Streptococcus pneumoniae from Canadian patients: the SAVE study, 2011–2020 Free

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Morgan A Alford and others
Journal of Antimicrobial Chemotherapy, Volume 78, Issue Supplement_1, May 2023, Pages i8–i16, https://doi.org/10.1093/jac/dkad065
Published: 03 May 2023
Journal Article

In vitro activity of imipenem/relebactam against piperacillin/tazobactam-resistant and meropenem-resistant non-Morganellaceae Enterobacterales and Pseudomonas aeruginosa collected from patients with lower respiratory tract infections in Western Europe: SMART 2018–20 Open Access

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James A Karlowsky and others
JAC-Antimicrobial Resistance, Volume 5, Issue 1, February 2023, dlad003, https://doi.org/10.1093/jacamr/dlad003
Published: 20 January 2023
Journal Article

Antimicrobial resistance patterns of bacterial pathogens recovered from the urine of patients at Canadian hospitals from 2009 to 2020 Open Access

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Andrew Walkty and others
JAC-Antimicrobial Resistance, Volume 4, Issue 6, December 2022, dlac122, https://doi.org/10.1093/jacamr/dlac122
Published: 30 November 2022
Journal Article

In vitro activity of sulopenem against 1880 bacterial pathogens isolated from Canadian patients with urinary tract infections (CANWARD, 2014–21) Free

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Andrew J Walkty and others
Journal of Antimicrobial Chemotherapy, Volume 77, Issue 12, December 2022, Pages 3414–3420, https://doi.org/10.1093/jac/dkac333
Published: 30 September 2022
Journal Article

In vitro activity of fosfomycin against bacterial pathogens isolated from urine specimens in Canada from 2007 to 2020: CANWARD surveillance study Free

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James A Karlowsky and others
Journal of Antimicrobial Chemotherapy, Volume 77, Issue 11, November 2022, Pages 3035–3038, https://doi.org/10.1093/jac/dkac275
Published: 16 August 2022
Journal Article

Carbapenem-resistant Enterobacterales and Pseudomonas aeruginosa causing infection in Africa and the Middle East: a surveillance study from the ATLAS programme (2018–20) Open Access

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James A Karlowsky and others
JAC-Antimicrobial Resistance, Volume 4, Issue 3, June 2022, dlac060, https://doi.org/10.1093/jacamr/dlac060
Published: 17 June 2022
Journal Article

PCV-15 and PPSV-23 coverage of invasive and respiratory tract Streptococcus pneumoniae, including MDR and XDR isolates: CANWARD 2007–20 Free

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Alyssa R. Golden and others
Journal of Antimicrobial Chemotherapy, Volume 77, Issue 5, May 2022, Pages 1444–1451, https://doi.org/10.1093/jac/dkac034
Published: 10 February 2022
Journal Article

Activity of cefepime/taniborbactam and comparators against whole genome sequenced ertapenem-non-susceptible Enterobacterales clinical isolates: CANWARD 2007–19 Open Access

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Alyssa R. Golden and others
JAC-Antimicrobial Resistance, Volume 4, Issue 1, February 2022, dlab197, https://doi.org/10.1093/jacamr/dlab197
Published: 07 February 2022
Journal Article

Comparison of phenotypic antimicrobial susceptibility testing results and WGS-derived genotypic resistance profiles for a cohort of ESBL-producing Escherichia coli collected from Canadian hospitals: CANWARD 2007–18 Free

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Alyssa R Golden and others
Journal of Antimicrobial Chemotherapy, Volume 76, Issue 11, November 2021, Pages 2825–2832, https://doi.org/10.1093/jac/dkab268
Published: 11 August 2021