污水中含有多种肠道致病菌 ,是造成人畜感染的重要因素。我们从医院污水中分离出 1株省内首次检出的 沙门氏菌 ,分离方法和鉴定结果如下 :水样 10 0 0 ml,加入灭菌 10 %无水碳酸钠溶液 4m l混合后 ,再加入 10 %硫酸铁溶液 3.5 ml,混合均匀 ,静置 1小时倾去上清液 (沉淀物约 80 Sewage contains a variety of intestinal pathogens, is an important factor causing human and animal infections. We isolated 1 strain of Salmonella from the hospital for the first time to detect Salmonella. The method of separation and identification were as follows. The water sample was 100 ml, and 10% anhydrous sodium carbonate solution was added to the mixture for mixing. Then 10% was added and 10% added. Ferric sulfate solution 3.5 ml, mixed well, let stand for 1 hour and decanted the supernatant (precipitate about 80