Back-to-school season brings new teachers, new friends, and unfortunately, new germs. When kids return to classrooms each fall, shared spaces and close contact make it easy for illnesses to spread fast. Back-to-school illnesses are common infections that spread quickly among children at the start of the school year. The most frequent include colds, the flu, strep throat, stomach bugs, and pinkeye. Knowing the warning signs and when to seek care can help keep your child ...