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Lepuschitz, S.; Ruppitsch, W.; Pekard-Amenitsch, S.; Forsythe, S.J.; Cormican, M.; Mach, R.L.; ... ; EUCRONI Study Grp (2019)

Multicenter Study of Cronobacter sakazakii Infections in Humans, Europe, 2017

Article / Letter to editor
Cronobacter sakazakii has been documented as a cause of life-threating infections, predominantly in neonates. We conducted a multicenter study to assess the occurrence of C. sakazakii across Europe and the extent of clonality for outbreak detection. National coordinators representing 24 countries in Europe were requested to submit all human C. sakazakii isolates collected during 2017 to a study center in Austria. Testing at the center included species identification by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry, subtyping by whole-genome sequencing (WGS), and determination of antimicrobial resistance. Eleven countries sent 77 isolates, including 36 isolates from 2017 and 41 historical isolates. Fifty-nine isolates were confirmed as C. sakazakii by WGS, highlighting the challenge of correctly identifying Cronobacter spp. WGS-based typing revealed high strain diversity, indicating absence of multi-national outbreaks in 2017, but identified 4...Show moreCronobacter sakazakii has been documented as a cause of life-threating infections, predominantly in neonates. We conducted a multicenter study to assess the occurrence of C. sakazakii across Europe and the extent of clonality for outbreak detection. National coordinators representing 24 countries in Europe were requested to submit all human C. sakazakii isolates collected during 2017 to a study center in Austria. Testing at the center included species identification by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry, subtyping by whole-genome sequencing (WGS), and determination of antimicrobial resistance. Eleven countries sent 77 isolates, including 36 isolates from 2017 and 41 historical isolates. Fifty-nine isolates were confirmed as C. sakazakii by WGS, highlighting the challenge of correctly identifying Cronobacter spp. WGS-based typing revealed high strain diversity, indicating absence of multi-national outbreaks in 2017, but identified 4 previously unpublished historical outbreaks. WGS is the recommended method for accurate identification, typing, and detection of this pathogen.Show less
All authors
Lepuschitz, S.; Ruppitsch, W.; Pekard-Amenitsch, S.; Forsythe, S.J.; Cormican, M.; Mach, R.L.; Pierard, D.; Allerberger, F.; Andrasevic, A.T.; Balode, A.; Barbut, F.; Codita, I.; Connican, M.; Ferguson, C.; Heczko, P.; Holy, O.; Kantardjiev, T.; Kuijper, E.J.; Leegaard, T.M.; Peixe, L.M.V.; Rautelin, H.; Rupnik, M.; Schonning, K.; Stephan, R.; Toniolo, A.; Tosic, T.; Valdezate, S.; Muller, L. von; Zerva, L.; Zinieri-Panayide, B.; EUCRONI Study Grp
Date
2019-03-01
Journal
Emerging Infectious Disease
Volume
25
Issue
3
Pages
515 - 522
DOI
doi:10.3201/eid2503.181652