Finally,the two recombinant plasmids were transformed into the attenuated Salmonella typhimurium SL7207,and the recombinants were designated as SL7207(pcDNA3.1-HA) and SL7207(pcDNA3.1-HA-CpG),respectively.

• 将重组质粒转入减毒鼠伤寒沙门菌SL7207；构建成携带DNA疫苗的重组沙门菌SL7207(pcDNA3.；1-HA)和SL7207(pcDNA3