Table 3. S-specific and SNM-specific IFN-γ+CD4 and CD8 T cell responses in IEI patients. * denotes results from samples taken after breakthrough infection. Negative S-specific and SNM-specific T cell results were imputed as 0.0025% and 0.0075% respectively. B – BNT162b2, C – CoronaVac, M (route) – intramuscular, D – intradermal.