Viral pink eye often occurs in just one eye. It’s highly contagious, so if you develop burning, redness, or watery eyes after you’ve spent time in a crowded public place like a school or shopping center, you may have caught viral pink eye. Viral conjunctivitis is the most common pink eye affliction. Viral conjunctivitis, bacterial conjunctivitis, and allergic conjunctivitis: which type do you have?

The bacteria responsible for pink eye is also thought to be the bacteria behind certain cases of strep throat.