Streptococcus agalactiae (also known as group B streptococcus or GBS) is a gram-positive coccus (round bacterium) with a tendency to form chains (as reflected by the genus name Streptococcus). It is a beta-hemolytic, catalase-negative, and facultative anaerobe.Class: Bacilli. INTRODUCTION. Group B Streptococcus (GBS; Streptococcus agalactiae) is a gram-positive coccus that frequently colonizes the human genital and gastrointestinal tracts and the upper respiratory tract in young infants .It is an important cause of infection in three populations: Neonates – GBS infection is acquired in utero or during passage through the vagina.
Aug 15, 2001 · Incidence and Epidemiology. Despite the recent success of prevention efforts targeting neonatal group B streptococcal (GBS, Streptococcus agalactiae) disease , the rate of invasive GBS disease in adults continues to climb.Twofold to 4-fold increases in the incidence of invasive GBS infections in nonpregnant adults have been reported over the last 2 decades , with rates ranging Cited by: 460. Morven S. Edwards, Carol J. Baker, in Principles and Practice of Pediatric Infectious Diseases (Fourth Edition), 2012. Microbiology. Streptococcus agalactiae is the species designation for Lancefield group B streptococcus (GBS). These gram-positive cocci appear on sheep blood agar as 3- to 4-mm, grey-white colonies with a narrow zone of β-hemolysis.
Jan 21, 2016 · We report a case of group B streptococcus meningitis in a 72-year-old female patient who was admitted in our hospital with a 21-day history of bilateral lower thigh pain and swelling associated with fever, headache, and vomiting. Her past medical history was Author: Fahmi Yousef Khan. May 25, 2011 · Infection caused by Streptococcus agalactiae, a Group B streptococcus, is an emerging disease in non-pregnant adults. This study describes the epidemiological, clinical, and microbiological characteristics of S. agalactiae infection in adult patients in northern Thailand. A retrospective study was conducted between January 1, 2006 and December 31, 2009 at Chiang Mai University Hospital Cited by: 30.