by The Peter Doherty Institute for Infection and Immunity Establishment of S751-specific CD4+ T cell memory following mild COVID-19. a, Frequency of TET751+ cells (as a percentage of total CD4+) among uninfected (n = 9) or COVID-19 convalescent individuals sampled 20 to 60 d after symptom onset (n = 19). The lines indicate the median, and bars indicate the IQR. b, Representative...
