In the 6 convalescent subjects (18–51 years), samples collected at 6–8 weeks post symptom onset after infection with ancestral SARS-CoV-2 (March–May 2020), frequencies of IFN-ɣ+ T cells reactive to “WT S1/S2 pool” were in a similar magnitude as vaccinated individuals. This evidence concerns the gene IFNA1 and infection.