Identification of Cross Reactive T Cell Responses in Adenovirus Based COVID 19 Vaccines

Researchers explored patterns of T-cell activation after SARS-CoV-2 COVID-19 vaccine exposure in vitro using PBMCs collected from pre-pandemic ChAdOx1 nCoV-19 naïve healthy donors, and ChAdOx1 nCoV-19 and Pfizer vaccinated controls.