Conjunctivitis is also called pink eye. It is caused by bacteria, viruses, allergies or irritants. Viral and bacterial conjunctivitis are most common. They can be very contagious. Symptoms include red, itchy eyes, swollen eyelid and discharge. Discharge consistency depends on the type of infection.
CDC Conjunctivitis Page
Conjunctivitis (pink eye) information for healthcare providers.
Pink Eye Parent Letter
Parent letter explaining recent exposure to pink eye, transmission and symptoms.