High prevalence of clustered tuberculosis cases in Peruvian migrants in Florence, Italy

  • Lorenzo Zammarchi Infectious Diseases Unit, Department of Experimental and Clinical Medicine, University of Florence School of Medicine, Italy.
  • Enrico Tortoli Emerging Bacterial Pathogens, IRCCS San Raffaele Scientific Institute, Milan, Italy.
  • Emanuele Borroni Emerging Bacterial Pathogens, IRCCS San Raffaele Scientific Institute, Milan, Italy.
  • Filippo Bartalesi SOD Malattie Infettive e Tropicali, Azienda Ospedaliero Universitaria Careggi, Florence, Italy.
  • Marianne Strohmeyer Infectious Diseases Unit, Department of Experimental and Clinical Medicine, University of Florence School of Medicine, Italy.
  • Simonetta Baretti UF Igiene e Sanità Pubblica, ASL 10 Zona Firenze, Florence, Italy.
  • Maria Tullia Simonetti SOD Microbiologia e Virologia, Centro di Riferimento per i Micobatteri della Regione Toscana, Azienda Ospedaliero Universitaria Careggi, Florence, Italy.
  • Carola Liendo Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru.
  • Maria Grazia Santini UF Igiene e Sanità Pubblica, ASL 10 Zona Firenze, Florence, Italy.
  • Gian Maria Rossolini SOD Microbiologia e Virologia, Centro di Riferimento per i Micobatteri della Regione Toscana, Azienda Ospedaliero Universitaria Careggi, Florence, Italy.
  • Eduardo Gotuzzo Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru.
  • Alessandro Bartoloni | alessandro.bartoloni@unifi.it Infectious Diseases Unit, Department of Experimental and Clinical Medicine, University of Florence School of Medicine; SOD Malattie Infettive e Tropicali, Azienda Ospedaliero Universitaria Careggi, Florence, Italy.

Abstract

Tuberculosis is a leading cause of morbidity for Peruvian migrants in Florence, Italy, where they account for about 20% of yearly diagnosed cases. A retrospective study on cases notified in Peruvian residents in Florence in the period 2001-2010 was carried out and available Mycobacterium tuberculosis strains were genotyped (MIRU-VNTR-24 and Spoligotyping). One hundred thirty eight cases were retrieved. Genotyping performed in 87 strains revealed that 39 (44.8%) belonged to 12 clusters. Assuming that in each cluster the transmission of tuberculosis from the index case took place in Florence, a large proportion of cases could be preventable by improving early diagnosis of contagious cases and contact tracing.

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Published
2014-12-11
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Section
Brief Reports
Keywords:
tuberculosis, immigrants, migrants, cluster, epidemiology, Peru, Italy
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How to Cite
Zammarchi, L., Tortoli, E., Borroni, E., Bartalesi, F., Strohmeyer, M., Baretti, S., Simonetti, M. T., Liendo, C., Santini, M. G., Rossolini, G. M., Gotuzzo, E., & Bartoloni, A. (2014). High prevalence of clustered tuberculosis cases in Peruvian migrants in Florence, Italy. Infectious Disease Reports, 6(4). https://doi.org/10.4081/idr.2014.5646