Epidemiology of invasive meningococcal infections of children in Slovenia during 1993-1999 (original) (raw)

2001

Abstract

Invasive strains of Neisseria meningitidis isolated from sterile body fluids of children aged 0-14 years were intentionally collected in nine Slovenian laboratories, and sent to the laboratory of the National Institute of Public Health, Ljubljana for final evaluation. From 1993-1999 we collected 53 invasive strains from children presented in this study. The incidence rate of invasive diseases in children shows that there is a rapid fall from 4.74/100,000 in 1993 to 0.90/100,000 in 1999. Invasive diseases predominated in children in the age group 0-1 year (19.6 cases per 100,000 children); followed by the age groups 2-4 years, 5-9 years and 10-14 years. The results of serogrouping indicate that the largest proportion of meningococci isolated (90%) were group B, while 8% of isolates were group C and only 2% group Y. The serotype/serosubtype distribution shows that the most frequent serotype (excluding 19 non-typable NT strains) was serotype 22, which was expressed in 9 strains and the...

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