Viruses are the most common cause of a sore throat. However, strep throat is an infection in the throat and tonsils caused by bacteria called group A Streptococcus (group A strep).
Strep throat is more common in children than adults. It is most common in children 5 through 15 years old. It is very rare in children younger than 3 years old.
Is this a reportable illness?
This is not a reportable illness to CDPH but consult with your school nurse to confirm this diagnosis with parents or the medical provider.
Clusters of 10 epidemiologically linked cases of strep throat/scarlet fever within a 10-day period are reportable to CDPH. IL Administrative Code Section 690