Streptococcus ... Streptococcus, from Ancient Greek στρεπτός (streptós), meaning "twisted", and κόκκος (kókkos), meaning "grain", is a genus of gram-positive spherical bacteria that belongs to the family …

Jan 17, 2026 · Streptococcal is a type of bacteria that can cause strep throat (group A) or blood infections (group B). Learn how they can be prevented and treated.

Group C strep (strep C) is a set of Streptococcus bacteria. It most commonly causes sore throats or skin infections. Some infections can be severe.

Oct 23, 2025 · Streptococcal infections are any kind of infection caused by the streptococcal, or “strep,” type of bacteria. Also called streptococci, these bacteria are divided into group A, group B, group...

Dec 24, 2021 · Three different types of streptococci are initially differentiated by their appearance when they are grown in culture on sheep blood agar: Beta-hemolytic streptococci produce zones of clear …

Jul 31, 2025 · Group A Streptococcus (group A strep bacteria) can cause many different infections. These infections range from minor to more serious. These bacteria can also cause inflammatory …

Jan 29, 2026 · Streptococcus, (genus Streptococcus), group of spheroidal bacteria belonging to the family Streptococcaceae. The term streptococcus (“twisted berry”) refers to the bacteria’s …