Systemic streptococcal group B disease in Norway – an increasing health problem

Norway has in the past years experienced an increasing incidence of systemic disease caused by group B streptococci (GBS, Streptococcus agalactiae) as monitored by notifications of positive blood culture and spinal fluid specimens to Norway’s Meldingssystem for smittsomme sykdommer (MSIS) at Statens institutt for folkehelse (National Institute of Public Health, NIPH).