| invasive group b streptococcus (gbs) disease in norway 1996-2006. | the aim of this study was to survey the occurrence of invasive group b streptococcus (gbs) disease in norway and detect possible trends in characteristics of invasive gbs strains from 1996 to 2006. data from national monitoring systems for infectious diseases in norway were analysed. of 638,452 live births in the period, 434 cases of invasive gbs disease in infants were reported. in adults and children older than 1 year of age, 969 cases were reported. the incidence of invasive gbs disease incre ... | 2008 | 18560908 |