沙门氏菌感染是常见的传染病。这种病菌不但感染人、牲畜和家禽,引起沙门氏菌病,而且污染食品,危害人民身体健康,也影响我国食品出口贸易。我国自建立了东北、华北、南方等三个沙门氏菌菌型检索协作区以后,更加推动了沙门氏菌的调查研究工作,各省市以及少数县的卫生防疫站纷纷开展了沙门氏菌菌型调查工作,沙门氏菌 Salmonella infection is a common infectious disease. Such bacteria not only infect humans, livestock and poultry, causing salmonellosis, but also contaminate food, endanger people’s health, but also affect China’s food export trade. Since the establishment of the collaborative zone of search for three Salmonella bacteria in Northeast China, North China and South China, the research work of Salmonella has been further promoted. Salmonella strains have been carried out in various provinces and cities and in the health and epidemic prevention stations in a few counties. Salmonella