Oral delivery of SARS-CoV-2 DNA vaccines using attenuated Salmonella typhimurium as a carrier in rat
D. Yang, D. Zhu, Y. Meng…·H. Baigude
This study demonstrates that attenuated Salmonella typhimurium can deliver SARS-CoV-2 spike protein DNA to rats, inducing humoral immunity against SARS-CoV-2.