Rheumatoid arthritis and older age are associated with lower humoral and cellular immune response to primary series COVID-19 mRNA vaccine. - Dudley HM; O'Mara M; Auma A; Gong J; Ross Y; Gurevich N; Carbone S; Reihs A; Nguyen Y; McComsey GA; Cao Y; Balazs AB; et al. (Vaccine, 2023)