Nov 30, 2022 · Strep throat is caused by infection with a bacterium known as Streptococcus pyogenes, also called group A streptococcus. Streptococcal bacteria are contagious. They can …

Dec 20, 2022 · Strep throat is an infection in your throat and tonsils caused by a type of bacteria called group A Streptococcus (group A strep). Strep throat causes severe inflammation and a …

Nov 18, 2025 · Cause Group A streptococcal pharyngitis is an infection of the oropharynx caused by Streptococcus pyogenes (group A strep bacteria). The incubation period of group A strep …

Nov 20, 2023 · The bacteria that cause strep throat are most commonly found in the nose and throat of an infected person. The bacteria can travel from one person to another through …

Dec 3, 2025 · Strep throat is caused by Group A Streptococcus bacteria and is highly contagious. Symptoms include a severe sore throat, swollen tonsils, and fever, usually without a cough. …

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.

Streptococcal pharyngitis, also known as streptococcal sore throat (strep throat), is pharyngitis (an infection of the pharynx, the back of the throat) caused by Streptococcus pyogenes, a gram …

Feb 6, 2023 · Strep throat is caused by bacteria called Streptococcus pyogenes or group A Streptococcus (also known as group A strep, or GAS). You can catch strep throat if you touch …

May 16, 2024 · Strep throat is an infection of the throat and tonsils caused by a bacteria called group A streptococcus, which is also known as Streptococcus pyogenes. This bacteria lives in …

Aug 25, 2023 · Exposure to Streptococcus pyogenes bacteria causes strep throat. The most common causes of group A strep infection include: You may breathe in S. pyogenes through …