Postvaccination antibody titres predict protection against COVID-19 in patients with autoimmune diseases: survival analysis in a prospective cohort.
Sakir AhmedPankti MehtaAby PaulS AnuSomy CherianVeena ShenoyKaveri K NaliandaSanjana JosephAnagha PoulosePadmanabha D ShenoyPublished in: Annals of the rheumatic diseases (2022)
Breakthrough infections occurred in 7.4% of patients and were associated with seronegativity following vaccination. This provides a basis for exploring postvaccination antibody titres as a biomarker in patients with AIRD.