应用鼠伤寒沙门氏菌制备避孕疫苗遗传变异型鼠伤寒沙门氏菌可制备成口服避孕疫苗，其主要作用于妊娠前的抗精子免疫系统。美国华盛顿大学研究人员Ｄｒ．ＲｏｙＣｕｒｔｉｓｓ说，这种疫苗可有一过性肠道炎症，这是由拼接到菌株中的精子抗遗传物质的抗体所致。该研究结果表... Preparation of contraceptive vaccine Salmonella typhimurium Genetic variant Salmonella typhimurium can be prepared as oral contraceptive vaccine, its main role in pre-pregnancy antisperm immune system. University of Washington researchers Dr. Roy Curtiss said the vaccine may have transient intestinal inflammation due to sperm anti-genetic antibodies spliced ​​into the strain. The results of the table ...