Reviewed for currency January 14, 2021 Historical Perspective Group B streptococci (GBS; Streptococcus agalactiae ) were reported as human pathogens in 1938 by Fry, who described three cases of fatal puerperal sepsis. Infections in humans were reported infrequently until the…
Lancefield group B β-hemolytic streptococci were first recorded as a cause of human infection in 1938, when Fry described three patients with fatal puerperal sepsis. Sporadic cases were reported until the 1970s, when a dramatic increase in the incidence of…
The Pathogen and Pathogenicity Streptococcus agalactiae is the species designation for Lancefield group B Streptococcus (GBS). Colonies appear on sheep blood agar as 3- to 4-mm, grey-white colonies typically with a narrow zone of β-hemolysis; organisms are gram-positive cocci. The…
Description of Pathogens Neonatal sepsis accounts globally for approximately 3 million cases annually with a mortality of between 11% and 19%. These figures are derived from several high-income and a few low-income countries, thus, the true impact is significantly higher.…