Surveillance of invasive meningococcal disease in the Tel Aviv District, Israel, 2007–2017

Matanelle Salama, Eran Kopel, Joseph Jaffe, Ziva Amitai, Rivka Sheffer, Sarit Rahmani, Irina Yuabov, Laura Dardik, Lea Valinsky

Research output: Contribution to journalArticlepeer-review

Abstract

Invasive meningococcal disease (IMD) is one of the leading causes of bacterial meningitis and septicemia in Israel. The purpose of the study was to describe the IMD in the Tel Aviv District and to identify specific populations who could benefit from vaccine introduction. In the Tel Aviv District, the incidence rates ranged from 0.4 to 1.4 cases per 100,000 population per year during 2007–2017. During the study period, seventy-nine patients (65%) occurred among children younger than four years of age. Eight deaths occurred (7%), most of them among children under the age of 1 year (5 deaths; 15%). A serogroup was identified in 82 isolates. Most of the isolates (69 cases − 84%) belonged to serogroup B (NmB). IMD clustered geographically in the city of Bnei Brak, with a predominantly Ultra-Orthodox Jewish population. It is the youngest and most densely populated city in the district. The overall incidence rates of IMD among children in Bnei Brak were more than seven times higher in children up to nine years, compared to the rest of the district. Specifically for NmB, disease rates were 9.08 times higher in children up to the age of four, and 7.74 times higher in children from five to nine years old in Bnei Brak, compared to the rest of the district. Our findings describe the burden of a vaccine-preventable disease and reinforce the need for routine 4CmenB introduction, especially in groups where the disease clusters.

Original languageEnglish
Pages (from-to)6186-6191
Number of pages6
JournalVaccine
Volume37
Issue number42
DOIs
StatePublished - 30 Sep 2019

Keywords

  • Epidemiology
  • Invasive meningococcal disease

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