The proportion of strains with positive mannose-resistance haemagglutination (MRHA) was found among urinary tract infection 44.7% the stool of healthy adults 2.8%, and the secretory fluid, the pus, the sputum of patients 15.2%.

• 发现致尿路感染大肠杆菌株的甘露糖抵抗血凝(MRHA)反应阳性率为44.；7%25；明显高于正常人粪便标本(阳性率2