Moderna (mRNA), Pfizer (mRNA) and Oxford (viral vector) have all reported T-cell activity. Sources: * https://blogs.sciencemag.org/pipeline/archives/2020/07/15

Moderna (mRNA), Pfizer (mRNA) and Oxford (viral vector) have all reported T-cell activity. Sources: * https://blogs.sciencemag.org/pipeline/archives/2020/07/15/modernas-phase-i-data https://blogs.sciencemag.org/pipeline/archives/2020/07/15/mo... * https://blogs.sciencemag.org/pipeline/archives/2020/07/20/more-pfizer-phase-i-results-antibodies-viral-mutations-and-t-cells https://blogs.sciencemag.org/pipeline/archives/2020/07/20/mo... * https://blogs.sciencemag.org/pipeline/archives/2020/07/20/new-data-on-the-oxford-az-vaccine https://blogs.sciencemag.org/pipeline/archives/2020/07/20/ne... (these blogs link the actual preprint primary source as well)