Table 1

Levels of specific humoral immune response to RBD throughout last year and after infection (levels of specific IgA and IgG in OD ratio; positive >0.8); levels of specific cellular immunity IGRA to RBD (levels in mIU/mL; positive >5)

Day
0202135230235364394
VaccineXXX
InfectionX
IgG anti-RBD0.10.10.10.8
IgA anti-RBD0.10.10.17.7
IGRAND00263
 ClassificationNRNRNRR
DTH+++++
 ClassificationRRRR
  • Classification: response classification according to the results.

  • DTH, delayed-type hypersensitivity; IGRA, interferon gamma release assay; ND, Not done; NR, non-responder; OD ratio, Optical density ratio; R, responder; RBD, receptor-binding domain.