Final answer:
Viral conjunctivitis is caused by adenoviruses and has a watery discharge. It does not require antibiotic treatment.
Step-by-step explanation:
Viral conjunctivitis is commonly associated with colds caused by adenoviruses. It produces a watery discharge, which is different from the thick discharge seen in bacterial conjunctivitis. Antibiotics are ineffective in treating viral conjunctivitis, and symptoms usually go away on their own within a week or two.