viral conjunctivitis contagious for how long
Viral conjunctivitis. Image courtesy of Wikimedia Commons. Viral conjunctivitis is highly contagious, usually for 10-12 days from onset as long as the eyes are red. Patients should avoid touching their eyes, shaking hands, and sharing towels, among other activities.iral conjunctivitis. Image courtesy of Wikimedia Commons. Viral conjunctivitis is highly contagious, usually for 10-12 days from onset as long as the eyes are red. Patients should avoid touching their eyes, shaking hands, and sharing towels, among other activities.