FYI, here is a pic for you to have a general idea about what it is.
Strep throat is a bacterial infection that may cause a sore throat or scratchy feeling. Although it is more common in children, it can actually affect people of all ages. If any symptoms appear, go get an appointment with your Dr. cause it may cause complications (kidney inflammation or rheumatic fever) without prompt treatment.
For those who are not aware of your situation, if you have any of the following symptoms, go to the hospital and have a thorough test: fever, rash, headache, body aches, nausea, swollen, tender lymph nodes in your neck, quickly coming throat pain, tiny red spots at the back of the roof of the mouth, red and swollen tonsils, etc.