钩端螺旋体病简称钩体病,是由致病性钩端螺旋体引起的呈全球分布的自然疫源性急性传染病。钩体的宿主非常广泛。家畜如猪、犬、牛、羊、马等,野生动物如鼠、狼、兔、蛇、蛙等均可成为传染源。但主要传染源为鼠类、猪和犬。病原体通过破损的皮肤或黏膜侵人体内而受染;患钩体病的孕妇可经胎盘传给胎儿;进食被钩体污染的食物,可经消化道感染。人们对钩体病普遍易感,主要以农村青壮年为主。钩体病主要集中在夏秋季发病,一般于6月份开 Leptospirosis, referred to as leptospirosis, is a naturally transmitted acute infectious disease of global distribution caused by the pathogenic Leptospira. Leptospira host a wide range. Livestock such as pigs, dogs, cattle, sheep, horses, etc., wild animals such as rats, wolves, rabbits, snakes, frogs can become a source of infection. But the main source of infection for the rodents, pigs and dogs. Pathogens through damaged skin or mucous membrane invade the body and infected; pregnant women suffering from leptospirosis can be transmitted to the fetus through the placenta; eating contaminated food by the hook body can be infected by the digestive tract. People are generally susceptible to leptospirosis, mainly in rural areas. Leptospirosis is mainly concentrated in summer and autumn onset, usually in June open