Strep throat is an infection caused by a type of bacteria group A streptococcus. Strep bacteria cause almost a third of all sore throats. Strep throat usually needs treatment with antibiotics. With the proper medical care — and plenty of rest and fluids — most kids get back to school and play within a few days.
Strep Throat: All You Need to Know
Worried your sore throat may be strep? | CDC
Strep throat is a contagious disease, which means you catch it from another person. It is caused by infection with bacteria called group A streptococci pronounced: strep-toe-KAH-kye bacteria, and it's very common among teens. In fact, strep bacteria cause almost a third of all sore throats. Strep throat usually requires a trip to the doctor and treatment with antibiotics.