Prevalence of Group B Streptococcus serotypes III and V in pregnant women of Rio de Janeiro, Brazil

Soares, Georgia Cristina TavolaroAlviano, Daniela SalesSantos, Gabriela da SilvaAlviano, Celuta SalesMattos-Guaraldi, Ana LuizaNagao, Prescilla Emy

GBS serotypes III and V were the most prevalent in pregnant women and exhibited resistance to tetracycline, clindamycin and sulfamethoxazole/trimethoprim. Serotype III showed high sialic acid content and PFGE analysis discerned 33 heterogeneous profiles. Phenotypic and genotypic characterization could be relevant to control GBS infections unaffected by intra-partum chemoprophylaxis.

1. Group B Streptococcus
2. PFGE
3. sialic acid
4. antimicrobial susceptibility