Yea, pink eye can be infectious during the incubation period, it is highly contagious. You know, pink eye is spread through contact with the eye drainage, which contains the virus or bacteria that caused the pink eye. Therefore, you should not share towels, linens, pillows, handkerchiefs, eye makeup, eye medicines, contact lens equipments, containers and contact lenses solutions with others. And you should keep issues mentioned above clean, especially linens, towels, handkerchiefs and washcloths. Wash and change them often. Wash your hands frequently, especially when you are in public places and keep a hand disinfectant at hand to use it often. Avoid rubbing your eyes with hands. Confronted with wind, sand storm, heat and chemicals, you need to wear eye protection such as safety glasses to prevent eye irritation. When you go swimming, you had better wear swim goggles to protect yourself from bacteria and other microorganisms in the water in case of conjunctivitis.