https://www.jenner.ac.uk/volunteer/recruiting-trials/covid-19-vaccine-intranasal-study-cov008 https://www.jenner.ac.uk/volunteer/recruiting-trials/covid-1... Y

https://www.jenner.ac.uk/volunteer/recruiting-trials/covid-19-vaccine-intranasal-study-cov008 https://www.jenner.ac.uk/volunteer/recruiting-trials/covid-1... You must not: Have previously received an adenovitus vectored vaccine Have previously been vaccinated against COVID-19