Medically reviewed by Benjamin F. Asher, MD Strep throat is a highly contagious infection caused by group A Streptococcus bacteria (Streptococcus pyogenes); it is common in children but affects adults ...

It causes a rash and flu-like symptoms, including a temperature ... its appearance looks a bit like a strawberry. People with strep throat - a mild sore throat that is a symptom of strep A ...