伤寒副伤寒是我国乙类法定报告传染病之一,由伤寒沙门氏菌及甲、乙、丙型副伤寒沙门氏菌引起的急性消化道传染病。登封市伤寒副伤寒疫情始于2004年,呈逐年增长趋势。2007年,登封市出现伤寒副伤寒局部地区暴发流行(副伤寒疫情流行病学分析见另文报道),对市民的身心健康造成了严 Typhoid and paratyphoid fever is one of the statutory group B infectious diseases reported in our country. It is caused by Salmonella typhi and acute digestive diseases caused by Salmonella typhi A, B and C. Dengfeng City typhoid paratyphoid epidemic began in 2004, showed a year-by-year upward trend. In 2007, outbreaks of typhoid and paratyphoid fever were reported in Dengfeng City (epidemiological analysis of paratyphoid fever was reported in another article), causing severe physical and mental health to the public