
Clusters are recognized when meningococcal cases of the same phenotypic strain (markers: serogroup, serotype, and subtype) occur in spatial and temporal proximity. The incidence of such clusters was compared to the incidence that would be expected by chance by using space-time nearest-neighbor analysis of 4,887 confirmed invasive meningococcal cases identified in the 9-year surveillance period 1993-2001 in the Netherlands. Clustering beyond chance only occurred among the closest neighboring cases (comparable to secondary cases) and was small (3.1%, 95% confidence interval 2.1%-4.1%).
outbreak, secondary cases, Research, invasive meningococcal disease, R, Infectious and parasitic diseases, RC109-216, Neisseria meningitidis, Disease Outbreaks, Meningococcal Infections, Population Surveillance, Space-Time Clustering, Medicine, Humans, space-time analysis, cluster analysis, Netherlands
outbreak, secondary cases, Research, invasive meningococcal disease, R, Infectious and parasitic diseases, RC109-216, Neisseria meningitidis, Disease Outbreaks, Meningococcal Infections, Population Surveillance, Space-Time Clustering, Medicine, Humans, space-time analysis, cluster analysis, Netherlands
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| popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Top 10% | |
| influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Top 10% | |
| impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Top 10% |
