claim: humoral and circulating follicular helper t cell responses in recovered patients with covid-19
evidence_1: presence of sars-cov-2 reactive t cells in covid-19 patients and healthy donors.", "neutralizing antibody responses to sars-cov-2 in a covid-19 recovered patient cohort and their implications.", "in this study, we characterized humoral and circulating follicular helper t cell (ctfh) immunity against spike in recovered patients with coronavirus disease 2019 (covid-19).")