Repeated vaccination is needed to maintain high levels of SARS-CoV-2 immunity in vulnerable populations, but there is concern that it could lead to immune exhaustion. Here, the authors assess the evidence for immune exhaustion following multiple SARS-CoV-2 vaccination three vulnerable population cohorts in Canada.
- Jenna M. Benoit
- Jessica A. Breznik
- Dawn M. E. Bowdish
