Serotypes and clinical manifestations of invasive group B streptococcal infections in western Sweden 1998-2001

This study monitored the serotypes of Streptococcus agalactiae (group B streptococcus; GBS) isolated from invasive infections in western Sweden and investigated possible relationships between serotype, age and clinical manifestations. Invasive GBS isolates were collected prospectively during 1998-2001 at six laboratories, covering two counties with a population of 1.8 million, and were serotyped by coagglutination. Clinical data were obtained from hospital notes. In total, 161 invasive strains (50 from neonates and infants aged < 3 months, and 111 from adults) were serotyped. The commonest serotypes from neonates and infants were serotypes III (60%), V (22%) and Ia (10%), and from adults were serotypes V (42%) and III (25%). Serotype V had doubled in frequency among both children and adults compared to a previous study from the same area in 1988-1997. Most (80%) of the adults had an underlying medical condition. No relationship was found between serotype and clinical manifestations. However, the study demonstrated the importance of active surveillance of GBS serotypes and the difficulties of formulating a multivalent polysaccharide conjugate vaccine against GBS.

Berg, S. (författare)
Trollfors, Birger,1947Gothenburg University,Göteborgs universitet,Institutionen för kvinnors och barns hälsa, Avdelningen för pediatrik,Institute for the Health of Women and Children, Dept of Paediatrics(Swepub:gu)xtrobi (författare)
Larsson, P. (författare)
Ek, E. (författare)
Backhaus, E. (författare)
Claesson, B. E. (författare)
Jonsson, L. (författare)
Radberg, G. (författare)
Ripa, T. (författare)
Johansson, S. (författare)
Göteborgs universitetInstitutionen för kvinnors och barns hälsa, Avdelningen för pediatrik (creator_code:org_t)

Av författaren/redakt...: Persson, E.; Berg, S.; Trollfors, Birge ...; Larsson, P.; Ek, E.; Backhaus, E.; visa fler...; Claesson, B. E.; Jonsson, L.; Radberg, G.; Ripa, T.; Johansson, S.; visa färre...

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