rituximab
roche,biogen
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#acr22 abstr# interesting data for imid patients who had #covid. a cohort study in norway (1/3 had ra and mostly on tnfi; 6% rtx) showed greater anti-spike ab in 4th vaccine vs 3rd dose. however, the greatest was in those with 3 x doses + covid infection (hybrid) 
Rheumatologist. Interested in B-cells, Lupus, Sjogren, Pre-Connective Tissue Disease, Tennis, Running & Travelling ??