Quarantine with a disinfecting stove, have a right to navigate the Canal, in quarantine, subject only to the landing of those who were suffering from plague. Plain yellow, green, and even black flags have been used to symbolize disease in both ships and ports, with the color yellow having a longer historical precedent, as a color of marking for houses of infection, previous to its use as a maritime marking color for disease. The present flag used for the purpose is the "Lima" (L) flag, which is a mixture of yellow and black flags previously used. It is sometimes called the
Flag of Norway to the same two countries, former and present union partners. It was clearly understood by all who took part in the flag discussions locally, in the press or in parliament what those colours denoted. A predominantly red flag had many adherents among those who were attached to the union with Denmark or to its flag, which for centuries had also been that of Norway. Others, who saw Denmark as an oppressor, favoured the blue colour associated with the new Swedish dynasty which was seen as more receptive of Norwegian ambitions of autonomy. Consequently, most of the other flag proposals on