|
Streptococcus agalactiae, CAP agar (sheep blood agar with colistin + aztreonam). Cultivation 24 hours, aerobic atmosphere enriched with 5% CO2, 37°C. Colonies are surroundend by a zone of beta-hemolysis.
S. agalactiae is a member of the gastrointestinal normal flora in some humans and can spread to secondary sites - genitourinary tract of women (20-30%). This is of clinical importance: S. agalactiae can be transferred to a neonate passing through the birth canal and can cause serious group B streptococcal infection. In the western world, S. agalactiae is the major cause of bacterial septicemia of the newborn, which can lead to death or long-term sequelae.
|
