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 …

Jun 29, 2025 · 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.

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 …

Streptococcal infections are caused by any one of several species of Streptococcus. These gram-positive, sphere-shaped (coccal) bacteria (see figure How Bacteria Shape Up) cause many …

Dec 19, 2025 · Streptococcus, (genus Streptococcus), group of spheroidal bacteria belonging to the family Streptococcaceae. The term streptococcus (“twisted berry”) refers to the bacteria’s …

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...

Jan 25, 2024 · Examine the pathology, including evaluation, diagnosis, and treatment, of streptococcus and streptococcal infections.

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 …

Nov 20, 2025 · Comment: Review of contemporary Streptococcus species as well as non-Streptococcal Gram-positive cocci that form chains (e.g., Abiotrophia and Granulicatella) as identified and …

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.