More New Covid Vaccine Candidates, Trials, and Preclinical Studies (NextGen Update 32)

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Preclinical results for mucosal vaccinesIntranasal viral vector vaccine from Ohio State University (USA): This preclinical report is the fourth for this vaccine. Intranasal viral vector vaccine from Xiamen University (China): This is the first report for this vaccine. They concluded that their vaccine provided greater protection than current mRNA vaccine, and the protection lasted for longer than a year. Back to contentsAddendum 1: List of authorized next generation Covid vaccines (with countries)There are now 7 next-generation Covid vaccines authorized in 7 countries. Previous update posts specifically on next generation Covid vaccines prior to this monthly series (beginning May 2023):All my posts on Covid vaccines, beginning from March 2020, are tagged here.