Strep Throat 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 sore throat. A …

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 the nose and...

Nov 30, 2022 · Strep throat is a bacterial infection that can make your throat feel sore and scratchy. Strep throat accounts for only a small portion of sore throats. If untreated, strep throat can cause …

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.

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 droplets and …

Streptococcus (simply called strep) is a common group of bacteria. Different types of strep cause different diseases. Most often they cause sore throat (strep throat) or skin infections. But they can …

Jul 31, 2025 · Learn about strep throat: Symptoms, risk factors, and treatment.

Jul 8, 2023 · Strep throat is most common in children from ages 5 and 15, although anyone can get it. Strep throat is spread by person-to-person contact with fluids from the nose or saliva.

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. Strep …

Group A streptococcal infections are a number of infections with Streptococcus pyogenes, a group A streptococcus (GAS). [1] S. pyogenes is a species of beta-hemolytic Gram-positive bacteria that is …