Measles is one of the most contagious of infectious diseases. Marburgviruses are highly infectious, but not very contagious. Impetigo is a highly contagious skin infection. Measles is the most contagious transmissible virus known. The smallpox vaccine was the first vaccine to be developed against a contagious disease. A highly contagious outbreak ravages the planet. There is also much concern regarding the transmission of contagious diseases, particularly tuberculosis. He nursed sick patients, including those suffering from contagious diseases. At that time, leprosy was thought to be highly contagious and incurable. There have been epidemics of contagious pustular dermatitis. The disease is highly contagious via inhalation. Similarly, research into pathogens may lead to treatments for contagious diseases. Urbani realized that Chen's ailment was probably a new and highly contagious disease. Both phrases compared communism to a contagious disease. The increased proximity of riders could result in the spread of contagious diseases.