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本法以Mg2+、Ca2+、Fe2+3种金属阳离子盐液诱导产生和保护伤寒沙门菌Vi抗原。结果表明,96株Vi-Ⅱ噬菌体标准菌100.0%为Ⅴ型菌;1320株地方菌株中1292株菌为Ⅴ型菌,占97.9%,28株菌为W型菌,占2.1%。优于其他关于Vi抗原每年丢失率为5.0%的报道。
This law to Mg2 +, Ca2 +, Fe2 + 3 kinds of metal cation salt solution to induce the production and protection of Salmonella typhi Vi antigen. The results showed that 100.0% of 96 Vi-Ⅱ bacteriophages were V-type bacteria. Among the 1320 strains, 1292 were V-type bacteria, accounting for 97.9%. 28 strains were W-type bacteria. 1%. Better than any other reports about the annual loss rate of Vi antigen is 5.0%.