Prolonged outbreak of New Delhi metallo-beta-lactamase-producing carbapenem-resistant Enterobacterales (NDM-CRE), Tuscany, Italy, 2018 to 2019

Author:

Tavoschi Lara1,Forni Silvia2,Porretta Andrea31,Righi Lorenzo4,Pieralli Filippo5,Menichetti Francesco3,Falcone Marco3,Gemignani Giulia3,Sani Spartaco6,Vivani Paola7,Bellandi Tommaso8,Tacconi Danilo9,Turini Lucia10,Toccafondi Giulio4,Privitera Gaetano31,Lopalco Pierluigi31,Baggiani Angelo31,Gemmi Fabrizio2,Luchini Grazia3,Petrillo Maurizio11,Roti Lorenzo10,Pezzotti Patrizio12,Pantosti Annalisa12,Iannazzo Stefania13,Mechi Maria Teresa4,Rossolini Gian Maria145,

Affiliation:

1. Department of Translational Research and New technologies in Medicine and Surgery, University of Pisa, Pisa, Italy

2. Regional Health Agency of Tuscany, Florence, Italy

3. University Hospital of Pisa, Pisa, Italy

4. Quality of care and Clinical networks, Tuscany Region, Florence, Italy

5. Florence Careggi University Hospital, Florence, Italy

6. Livorno Hospital, Toscana North-West Health Authority, Livorno, Italy

7. Massa Carrara Hospital, Toscana North-West Health Authority, Massa Carrara, Italy

8. Toscana North-West Health Authority, Lucca, Italy

9. Arezzo Hospital, Toscana South-East Health Authority, Arezzo, Italy

10. Toscana North-West Health Authority, Pisa, Italy

11. Fondazione Toscana Gabriele Monasterio, Pisa, Italy

12. Istituto Superiore di Sanità, Rome, Italy

13. Ministry of Health, Rome, Italy

14. Department of Experimental Medicine, University of Florence, Florence, Italy

Abstract

In Tuscany, Italy, New Delhi metallo-beta-lactamase-producing carbapenem-resistant Enterobacterales (NDM-CRE) have increased since November 2018. Between November 2018 and October 2019, 1,645 samples were NDM-CRE-positive: 1,270 (77.2%) cases of intestinal carriage, 129 (7.8%) bloodstream infections and 246 (14.9%) infections/colonisations at other sites. Klebsiella pneumoniae were prevalent (1,495; 90.9%), with ST147/NDM-1 the dominant clone. Delayed outbreak identification and response resulted in sustained NDM-CRE transmission in the North-West area of Tuscany, but successfully contained spread within the region.

Publisher

European Centre for Disease Control and Prevention (ECDC)

Subject

Virology,Public Health, Environmental and Occupational Health,Epidemiology

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