Increased incidence of invasive meningococcal disease of serogroup C / clonal complex 11, Tuscany, Italy, 2015 to 2016

Euro Surveill. 2016;21(12). doi: 10.2807/1560-7917.ES.2016.21.12.30176.

Abstract

We report an increase of serogroup C Neisseria meningitidis invasive meningococcal disease in Tuscany. From January 2015 to end February 2016, 43 cases were reported, among which 10 were fatal, compared to two cases caused by serogroup C recorded in 2014 and three in 2013. No secondary cases occurred. Thirty-five strains belonged to C:P1.5-1,10-8:F3-6:ST-11(cc11). Control measures have been adopted and immunisation campaigns implemented. Studies on risk factors and carriage are ongoing.

Keywords: Neisseria meningitidis; outbreak; public health response; serogroup C.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adolescent
  • Adult
  • Age Distribution
  • Aged
  • Aged, 80 and over
  • Carrier State / epidemiology
  • Child
  • Humans
  • Incidence
  • Italy / epidemiology
  • Male
  • Meningitis, Meningococcal / diagnosis
  • Meningitis, Meningococcal / epidemiology*
  • Meningococcal Infections / diagnosis
  • Meningococcal Infections / epidemiology*
  • Middle Aged
  • Neisseria meningitidis, Serogroup C / genetics
  • Neisseria meningitidis, Serogroup C / isolation & purification*
  • Serotyping
  • Vaccination* / statistics & numerical data
  • Young Adult